NCEE Test Report

FLane

Test Report BT

Garmin International Inc 04624 Portable Transceiver IPH-04624 IPH04624 04624

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FCC/ISED Test Report

Prepared for:

Garmin International, Inc.

Address:

1200 E. 151st Street Olathe, Kansas, 66062, USA

Product: Test Report No:

A04624 R20220615-20-E1B

Approved by:
DATE: Total Pages:

__________________
Nic Johnson EMC Test Engineer
February 2, 2023
87

The Nebraska Center for Excellence in Electronics (NCEE) authorizes the above named company to reproduce this report provided it is reproduced in its entirety for use by the company's employees only. Any use that a third party makes of this report, or any reliance on or decisions made based on it, are the responsibility of such third parties. NCEE accepts no responsibility for damages, if any, suffered by any third party as a result of decisions made or actions based on this report. This report applies only to the items tested.

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.
REVISION PAGE

Rev

B

Rev. No.
0
A B

Date
15 December 2022
27 January 2023 2 February 2023

Description Issued by FLane Reviewed by KVepuri Prepared by FLane Corrected IC number and note in Section 2.1. -NJ Corrected FCC ID and IC on pg 5

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 2 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

CONTENTS Revision Page ............................................................................................................................................................................... 2 1.0 Summary of test results.......................................................................................................................................4 2.0 EUT Description ....................................................................................................................................................5
2.1 Equipment under test ........................................................................................................................................5 2.2 Description of test modes ................................................................................................................................5 2.3 Description of support units............................................................................................................................6 3.0 Laboratory and General Test Description ........................................................................................................6 3.1 Laboratory description......................................................................................................................................6 3.2 Test personnel.....................................................................................................................................................6 3.3 Test equipment....................................................................................................................................................7 3.4 General Test Procedure and Setup for Radio Measuremnts...................................................................8 4.0 Results ....................................................................................................................................................................9 4.1 Output Power.....................................................................................................................................................11 4.2 Bandwidth...........................................................................................................................................................12 4.3 Duty Cycle ..........................................................................................................................................................13 4.4 Radiated emissions..........................................................................................................................................14 4.5 Conducted Spurious Emissions ...................................................................................................................22 4.6 Band edges ........................................................................................................................................................28 4.7 Power Spectral Density...................................................................................................................................30 4.8 Conducted AC Mains Emissions ..................................................................................................................31 4.9 Antenna Gain .....................................................................................................................................................34 Appendix A: Sample Calculation ................................................................................................................................... 36 Appendix B ­ Measurement Uncertainty ...................................................................................................................... 38 Appendix C ­ Graphs and Tables .................................................................................................................................. 39 REPORT END.....................................................................................................................................................................87

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Page 3 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

1.0 SUMMARY OF TEST RESULTS
This report is a class 1 permissive change to FCCID: IPH-A4624. Manufacturer declares devices are electrically similar. The device tested was AA4624 and worst-case spurious emissions were compared on the A04624 to ensure compliance.
FCC Part 15.247
The EUT has been tested according to the following specifications: (1) US Code of Federal Regulations, Title 47, Part 15 (2) ISED RSS-Gen, Issue 5 (3) ISED RSS-247, Issue 2

APPLIED STANDARDS AND REGULATIONS

Standard Section
FCC Part 15.35 RSS Gen, Issue 5, Section 6.10
FCC Part 15.247(b)(3) RSS-247 Issue 2 Section 5.4(d)
FCC Part 15.247(a)(2) RSS-247 Issue 2 Section 5.2
FCC Part 15.209 RSS-Gen Issue 5, Section 7.3
FCC Part 15.209 (restricted bands), 15.247 (unrestricted) RSS-247 Issue 2 Section 5.5, RSS-Gen Issue 5, Section 8.9
FCC Part 15.247(e) RSS-247 Issue 2 Section 5.2
FCC Part 15.209, 15.247(d) RSS-247 Issue 2 Section 5.5
FCC Part 15.207 RSS-Gen Issue 5, Section 8.8

Test Type Duty Cycle

Result Pass

Peak output power

Pass

Bandwidth

Pass

Receiver Radiated Emissions Pass

Transmitter Radiated Emissions

Pass

Power Spectral Density

Pass

Band Edge Measurement Conducted Emissions

Pass Pass

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 4 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

2.0 EUT DESCRIPTION
2.1 EQUIPMENT UNDER TEST
Summary and Operating Condition:
Note that the device that was tested included a certified module as well. The device that is the focus of this report will have this module depopulated, with no other modifications. Spots-check were performed on the device with the module depopulated to include worse-case spurious emissions as well as output power to ensure the results were within 1 dB.

EUT

A04624

IC

1792A-04624

FCC ID

IPH-04624

EUT Received 29 August 2022

EUT Tested

5 September 2022- 28 October 2022

Serial No.

3426363242 (Radiated Measurements) 3426363123 (Conducted Measurements)

Operating Band 2400 ­ 2483.5 MHz

Device Type
Power Supply / Voltage

 GMSK  GFSK  BT BR  BT EDR 2MB  BT EDR 3MB  802.11x Internal Battery / 5VDC Charger: Garmin (Phi Hong) Model: LACA046 GPN: 362-00112-00 (Representative Power Supply)

Antenna Type / Trace Antenna

Gain (dBi)

-3.29 dBi

NOTE: For more detailed features description, please refer to the manufacturer's specifications or user's manual.

2.2 DESCRIPTION OF TEST MODES

The operating range of the EUT is dependent on the device type found in section 2.1:

GFSK and GMSK 1MB Transmissions:

Channel Frequency

Low

2402 MHz

Mid

2440 MHz

High

2480 MHz

GMSK 2MB Transmissions:

Channel Frequency

Low

2404 MHz

Mid

2440 MHz

High

2478 MHz

These are the only representative channels tested in the frequency range according to FCC Part 15.31 and RSS-Gen Table A1. See the operational description for a list of all channel frequency and designations.

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Page 5 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

2.3 DESCRIPTION OF SUPPORT UNITS None 3.0 LABORATORY AND GENERAL TEST DESCRIPTION

3.1 LABORATORY DESCRIPTION

All testing was performed at the following Facility:

The Nebraska Center for Excellence in Electronics (NCEE Labs)

4740 Discovery Drive

Lincoln, NE 68521

A2LA Certificate Number:

1953.01

FCC Accredited Test Site Designation No:

US1060

Industry Canada Test Site Registration No:

4294A

NCC CAB Identification No:

US0177

Environmental conditions varied slightly throughout the tests: Relative humidity of 35  4% Temperature of 22  3 Celsius

Rev

B

3.2 TEST PERSONNEL

No.

PERSONNEL

TITLE

ROLE

1

Fox Lane

2

Blake Winter

3

Grace Larsen

4

Ethan Schmidt

Test Engineer Test Engineer Test Engineer Test Technician

Review/Testing and Report Testing Testing Testing

Notes: All personnel are permanent staff members of NCEE Labs. No testing or review was sub-contracted or performed by sub-contracted personnel.

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 6 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

3.3 TEST EQUIPMENT

DESCRIPTION AND MANUFACTURER

MODEL NO.

SERIAL NO.

LAST CALIBRATION DATE

CALIBRATION DUE DATE

Keysight MXE Signal Analyzer (44GHz)** Keysight MXE Signal Analyzer (26.5GHz)**
Keysight EXA Signal Analyzer**

N9038A N9038A N9010A

MY59050109 July 19, 2022 MY56400083 July 19, 2022 MY56070862 July 20, 2021

July 19, 2024 July 19, 2024 July 20, 2023

SunAR RF Motion

JB1

A082918-1

July 26, 2022

July 26, 2023

ETS EMCO Red Horn Antenna

3115

00218655

July 21, 2022

July 21, 2023

Com-Power LISN, Single Phase** 8447F POT H64 Preamplifier* Rohde & Schwarz Preamplifier*

LI-220C
8447F POT H64
TS-PR18

20070017

July 18, 2022

3113AD4667 March 21, 2022

3545700803 August 22, 2022

July 18, 2024 March 21, 2024 August 22, 2024

Trilithic High Pass Filter*

6HC330

23042

March 21, 2022

March 21, 2024

ETS ­ Lindgren- VSWR on 10m Chamber***
NCEE Labs-NSA on 10m Chamber*

10m Semianechoic chamberVSWR 10m Semianechoic chamber-NSA

4740 Discovery Drive
NCEE-001

July 30, 2020 May 25, 2022

July 30, 2023 May 25, 2024

TDK Emissions Lab Software

V11.25

700307

NA

NA

RF Cable (preamplifier to antenna)*

MFR-57500 90-195-040 August 22, 2022

August 22, 2024

RF Cable (antenna to 10m chamber bulkhead)*

FSCM 64639 01E3872

September 24, 2021 September 24, 2023

RF Cable (10m chamber bulkhead to control room bulkhead)*

FSCM 64639

01E3864

September 24, 2021 September 24, 2023

RF Cable (control room bulkhead to test receiver)*

FSCM 64639

01F1206

September 24, 2021 September 24, 2023

N connector bulkhead (10m chamber)*

PE9128

NCEEBH1

September 24, 2021 September 24, 2023

N connector bulkhead (control room)*

PE9128

NCEEBH2

September 24, 2021 September 24, 2023

*Internal Characterization

**2 Year Cal Cycle

***3 Year Cal Cycle

Notes:

All equipment is owned by NCEE Labs and stored permanently at NCEE Labs facilities.

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 7 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

3.4 GENERAL TEST PROCEDURE AND SETUP FOR RADIO MEASUREMNTS
Measurement type presented in this report (Please see the checked box below):
Conducted 
The conducted measurements were performed by connecting the output of the transmitter directly into a spectrum analyzer using an impedance matched cable and connector soldered to the EUT in place of the antenna. The information regarding resolution bandwidth, video bandwidth, span and the detector used can be found in the graphs provided in the Appendix C. All the radio measurements were performed using the sections from ANSI C63.10, details about the section used can be found in the spectrum analyzer titles on the graph.

Figure 1 - Bandwidth Measurements Test Setup
Radiated 
All the radiated measurements were taken at a distance of 3m from the EUT. The information regarding resolution bandwidth, video bandwidth, span and the detector used can be found in the graphs provided in the Appendix C. All the radio measurements were performed using the sections from ANSI C63.10, details about the section used can be found in the spectrum analyzer titles on the graph.

Figure 2 - Radiated Emissions Test Setup

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Page 8 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

4.0 RESULTS

DTS Radio Measurements

CHANNEL Transmitter

Occupied Bandwidth
(kHz)

6 dB Bandwidth
(kHz)

AVERAGE OUTPUT POWER
(dBm)

AVERAGE OUTPUT POWER
(mW)

PSD (dBm)

RESULT

Low

GFSK

1323.10

879.10

0.100

1.023

-17.109

PASS

Mid

GFSK

1329.60

890.60

3.010

2.000

-12.55

PASS

High

GFSK

1479.80

928.00

-1.140

0.769

-17.563

PASS

Low

GMSK 1Mb

1310.90

790.50

0.070

1.016

-17.324

PASS

Mid

GMSK 1Mb

1265.40

767.50

2.830

1.919

-13.704

PASS

High

GMSK 1Mb

1316.60

866.80

-1.240

0.752

-18.022

PASS

Low

GMSK 2Mb

2515.60

1395.00

3.300

2.138

-13.552

PASS

Mid

GMSK 2Mb

2550.40

1439.00

2.910

1.954

-14.429

PASS

High

GMSK 2Mb

2492.10

1413.00

-1.210

0.757

-18.071

PASS

Occupied Bandwidth = N/A; 6 dB Bandwidth Limit = 500 kHz Peak Output Power Limit = 30 dBm; PSD Limit = 8 dBm

Unrestricted Band-Edge

CHANNEL

Mode

Band edge /Measurement
Frequency (MHz)

Relative Highest out
of band level
(dBuV)

Relative Fundamental
(dBuV)

Delta (dB)

Min Delta (dB)

Result

Low Low Low High High High

GMSK 1Mb GMSK 2Mb
GFSK GMSK 1Mb GMSK 2Mb
GFSK

2400.00 2400.00 2400.00 2483.50 2483.50 2483.50

63.96

105.757

64.37

107.268

58.989

105.668

51.268

104.538

58.941

102.579

52.82

104.528

Peak Restricted Band-Edge

39.797 42.627 36.815 48.664 42.055 44.105

30.00 30.00 30.00 30.00 30.00 30.00

PASS PASS PASS PASS PASS PASS

CHANNEL

Mode

Band edge /Measurement
Frequency (MHz)

Highest out of band level
(dBuV/m @ 3m)

Measurement Type

Limit (dBuV/m
@ 3m)

Margin

Result

Low

GMSK 1Mb

2390.00

53.093

Low

GMSK 2Mb

2390.00

53.257

Low

GFSK

2390.00

53.986

High

GMSK 1Mb

2483.50

54.659

High

GMSK 2Mb

2483.50

56.981

High

GFSK

2483.50

54.879

*Limit shown is the peak limit taken from FCC Part 15.209

Peak Peak Peak Peak Peak Peak

73.98 73.98 73.98 73.98 73.98 73.98

20.89 20.72 19.99 19.32 17.00 19.10

PASS PASS PASS PASS PASS PASS

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 9 of 87

A Report Number: R20220615-20-E1

Rev

Prepared for: Garmin International, Inc.

Average Restricted Band-Edge

CHANNEL

Mode

Band edge /Measurement
Frequency (MHz)

Highest out of band level (dBuV/m @ 3m)

Measurement Type

Low

GMSK 1Mb

2390.00

40.983

Low

GMSK 2Mb

2390.00

41.83

Low

GFSK

2390.00

41.13

High

GMSK 1Mb

2483.50

43.113

High

GMSK 2Mb

2483.50

46.441

High

GFSK

2483.50

43.172

*Limit shown is the average limit taken from FCC Part 15.209

Average Average Average Average Average Average

Limit (dBuV/m
@ 3m)
53.98 53.98 53.98 53.98 53.98 53.98

Margin
13.00 12.15 12.85 10.87 7.54 10.81

B
Result
PASS PASS PASS PASS PASS PASS

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Page 10 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

4.1 OUTPUT POWER
Test Method: All measurements were performed using the section 11.9.2.2.2 from ANSI C63.10.
Limits of power measurements: For FCC Part 15.247 Device: The maximum allowed output power is 30 dBm.
Test procedures: Details can be found in section 3.4 of this report.
Deviations from test standard: No deviation.
Test setup: Details can be found in section 3.4 of this report.
EUT operating conditions: Details can be found in section 2.1 of this report.
Test results:
Pass
Comments: 1. All the output power plots can be found in the Appendix C. 2. All the measurements were found to be compliant. 3. Tabulated data is listed in section 4.0.

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Page 11 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

4.2 BANDWIDTH
Test Method: All the radio measurements were performed using the sections from ANSI C63.10, details about the section used can be found in the spectrum analyzer titles on the graph.
Limits of bandwidth measurements:
For FCC Part 15.247 Device: The 99% occupied bandwidth is for informational purpose only. The 6dB bandwidth of the signal must be greater than 500 kHz.
Test procedures: Details can be found in section 3.4 of this report.
Deviations from test standard: No deviation.

Test setup: Test setup details can be found in section 3.4 of this report.
EUT operating conditions: Details can be found in section 2.1 of this report.
Test results:
Pass
Comments: 1. All the bandwidth plots can be found in the Appendix C. 2. All the measurements were found to be compliant. 3. Tabulated data is listed in section 4.0.

The Nebraska Center for Excellence in Electronics 4740 Discovery Drive Lincoln, NE 68521

Page 12 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.
4.3 DUTY CYCLE Test Method: All Modulations/transmitters shown have a duty cycle of >98%.

Rev

B

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Page 13 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

4.4 RADIATED EMISSIONS

Test Method: ANSI C63.10-2013, Section 6.5, 6.6

Limits for radiated emissions measurements:

Emissions radiated outside of the specified bands shall be applied to the limits in 15.209 as followed:

FREQUENCIES (MHz)
0.009-0.490 0.490-1.705 1.705-30.0
30-88 88-216 216-960 Above 960

FIELD STRENGTH
(µV/m) 2400/F(kHz) 24000/F(kHz)
30 100 150 200 500

MEASUREMENT DISTANCE (m)
300 30 3 3 3 3 3

NOTE: 1. The lower limit shall apply at the transition frequencies. 2. Emission level (dBuV/m) = 20 * log * Emission level (V/m). 3. As shown in 15.35(b), for frequencies above 1000MHz, the field strength limits are based on average detector, however, the peak field strength of any emission shall not exceed the maximum permitted average limits by more than 20dB under any condition of modulation. 4. The EUT was tested for spurious emissions while running off of battery power and external USB power. The worse-case emissions were produced while running off of USB power, so results from this mode are presented.

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Page 14 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

Test procedures:
a. The EUT was placed on the top of a rotating table above the ground plane in a 10 meter semianechoic chamber. The table was rotated 360 degrees to determine the position of the highest radiation. The table was 0.8m high for measurements from 30MHz-1Ghz and 1.5m for measurements from 1GHz and higher.
b. The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower.
c. The antenna was a broadband antenna, and its height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are used to make the measurement.
d. For each suspected emission, the EUT was arranged to maximize its emissions and then the antenna height was varied from 1 meter to 4 meters and the rotating table was turned from 0 degrees to 360 degrees to find the maximum emission reading.
e. The test-receiver system was set to use a peak detector with a specified resolution bandwidth. For spectrum analyzer measurements, the composite maximum of several analyzer sweeps was used for final measurements.
f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10 dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet.
g. The EUT was maximized in all 3 orthogonal positions. The results are presented for the axis that had the highest emissions.

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Page 15 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.
Test setup:

Rev

B

Figure 3 - Radiated Emissions Test Setup
NOTE: 1. The resolution bandwidth and video bandwidth of test receiver/spectrum analyzer is 120kHz for Peak detection (PK) and Quasi-peak detection (QP) at frequencies below 1GHz.
2. The resolution bandwidth 1 MHz for all measurements and at frequencies above 1GHz, A peak detector was used for all measurements above 1GHz. Measurements were made with an EMI Receiver.
Deviations from test standard: No deviation.
EUT operating conditions Details can be found in section 2.1 of this report.

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Page 16 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Electric Field Strength (dBuV/m) 60.00

Test results:

Graph14

50.00

40.00

30.00

20.00

10.00

0.00 30.00 (PEAK) EMI (V) Prescan (PEAK) EMI (H) Prescan
Electric Field Strength (dBuV/m) 60.00

100.00

Freq (MHz)

Figure 4 - Radiated Emissions Plot, Receive

Graph14

50.00

40.00

30.00

20.00

10.00

0.00 30.00
(PEAK) EMI (V) Prescan (PEAK) EMI (H) Prescan

100.00

Freq (MHz)

Figure 5 - Radiated Emissions Plot, GFSK

Rev

B

FCC Part 15 Radiated 30 MHz-100 GHz 3m (non-Class A)

(QP) EMI Limit

1000.00

FCC Part 15 Radiated 30 MHz-100 GHz 3m (non-Class A)

(QP) EMI Limit

1000.00

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Page 17 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Electric Field Strength (dBuV/m) 60.00

Graph14

50.00

40.00

30.00

20.00

10.00

0.00 30.00 (PEAK) EMI (V) Prescan (PEAK) EMI (H) Prescan
Electric Field Strength (dBuV/m) 60.00

100.00

Freq (MHz)

Figure 6 - Radiated Emissions Plot, GMSK 1MB

Graph14

50.00

40.00

30.00

20.00

10.00

0.00 30.00
(PEAK) EMI (V) Prescan (PEAK) EMI (H) Prescan

100.00

Freq (MHz)

Figure 7 - Radiated Emissions Plot, GMSK 2MB

REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB) 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB) 3. The other emission levels were very low against the limit. 4. Margin value = Limit value - Emission level

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Page 18 of 87

Rev

B

FCC Part 15 Radiated 30 MHz-100 GHz 3m (non-Class A)

(QP) EMI Limit

1000.00

FCC Part 15 Radiated 30 MHz-100 GHz 3m (non-Class A)

(QP) EMI Limit

1000.00

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

Quasi-Peak Measurements, GMSK-GFSK

Frequency Level Limit Margin Height Angle Pol

Channel Modulation

MHz

dBµV/m dBµV/m dB

cm.

deg.

48.382080 26.87

40.00 13.13 108.00 140.00

V

Low

GFSK

48.788640 27.08

40.00 12.92 107.00 99.00

V

Low

GMSK 1MB

47.134080 26.42

40.00 13.58 112.00 328.00

V

Low

GMSK 2MB

50.845200 27.22

40.00 12.78 116.00 39.00

V

RX

The EUT was maximized in all 3 orthogonal axes. The worst-case is shown in the plot and table above. All other measurements were found to be at least 6 dB Below the limit.

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A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

Peak Measurements, GMSK-GFSK

Frequency Level

Limit

Margin Height Angle Pol Channel Modulation

MHz

dBµV/m dBµV/m dB

cm.

deg.

2402.232000 92.79

NA

NA

202

120

H

Low

GMSK 1MB

2439.716000 96.86

NA

NA

186

120

H

Mid

GMSK 1MB

2479.712000 93.30

NA

NA

366

122

H

High GMSK 1MB

2403.496000 96.20

NA

NA

393

120

H

Low

GMSK 2MB

2440.438000 96.65

NA

NA

132

345

H

Mid

GMSK 2MB

2477.552000 92.95

NA

NA

368

122

H

High GMSK 2MB

2402.244000 92.92

NA

NA

390

122

H

Low

GFSK

2440.258000 97.27

NA

NA

332

122

H

Mid

GFSK

2479.716000 93.56

NA

NA

421

125

H

High

GFSK

7205.536000 51.92

73.98 22.06

401

147

V

Low

GFSK

7319.384000 54.52

73.98 19.46

381

147

V

Mid

GFSK

7438.858000 51.13

73.98 22.85

188

156

V

High

GFSK

7205.372000 53.89

73.98 20.09

135

203

H

Low

GMSK 1MB

7319.572000 54.00

73.98 19.98

473

149

V

Mid

GMSK 1MB

7438.644000 51.62

73.98 22.36

458

147

V

High GMSK 1MB

7213.174000 53.39

73.98 20.59

199

201

H

Low

GMSK 2MB

7321.702000 54.84

73.98 19.14

127

216

H

Mid

GMSK 2MB

7432.322000 52.28

73.98 21.70

388

210

V

High GMSK 2MB

The EUT was maximized in all 3 orthogonal axes. The worst-case is shown in the plot and table above. All other measurements were found to be at least 6 dB Below the limit.

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Page 20 of 87

A Report Number: R20220615-20-E1 Prepared for: Garmin International, Inc.

Rev

B

Average Measurements, GMSK-GFSK

Frequency Level Limit Margin Height Angle Pol Channel Modulation

MHz

dBµV/m dBµV/m dB

cm.

deg.

2402.232000 90.08

NA

NA

202

120

H

Low

GMSK 1MB

2439.716000 93.82

NA

NA

186

120

H

Mid

GMSK 1MB

2479.712000 89.76

NA

NA

366

122

H

High GMSK 1MB

2403.496000 89.74

NA

NA

393

120

H

Low

GMSK 2MB

2440.438000 91.03

NA

NA

132

345

H

Mid

GMSK 2MB

2477.552000 86.84

NA

NA

368

122

H

High GMSK 2MB

2402.244000 89.83

NA

NA

332

122

H

Low

GFSK

2440.258000 94.29

NA

NA

390

332 122

Mid

GFSK

2479.716000 89.87

NA

NA

421

125

H

High

GFSK

7205.536000 41.56

53.98 12.42

401

147

V

Low

GFSK

7319.384000 45.82

53.98

8.16

381

147

V

Mid

GFSK

7438.858000 39.53

53.98 14.45

188

156

V

High

GFSK

7205.372000 44.11

53.98

9.87

135

203

H

Low

GMSK 1MB

7319.572000 45.26

53.98

8.72

473

149

V

Mid

GMSK 1MB

7438.644000 39.11

53.98 14.87

458

147

V

High GMSK 1MB

7213.174000 43.39

53.98 10.59

199

201

H

Low

GMSK 2MB

7321.702000 44.13

53.98

9.85

127

216

H

Mid

GMSK 2MB

7432.322000 40.16

53.98 13.82

388

210

V

High GMSK 2MB

The EUT was maximized in all 3 orthogonal axes. The worst-case is shown in the table above.

All other measurements were found to be at least 6 dB Below the limit.

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4.5 CONDUCTED SPURIOUS EMISSIONS
Test Method: ANSI C63.10-2013, Section 6.7
Limits of spurious emissions:
In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in § 15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in § 15.205(a), must also comply with the radiated emission limits specified in § 15.209(a) (see § 15.205(c)).
Test procedures:
The highest emissions level was measured and recorded. All spurious measurements were evaluated to 30dB below the fundamental. More details can be found in section 3.4 of this report.
Deviations from test standard: None.
Test setup: Test setup details can be found in section 3.4 of this report.
EUT operating conditions: Details can be found in section 2.1 of this report.
Test results: Note that the limit shown on the plots does not apply. It is a line for reference

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Figure 8 - Radiated Emissions Plot, GFSK, 30MHz ­ 1GHz, Mid

Figure 9 - Radiated Emissions Plot, GFSK, 1GHz ­ 3.6GHz, Mid

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Figure 10 - Radiated Emissions Plot, GFSK, 3.6GHz ­ 25GHz, Mid

Figure 11 - Radiated Emissions Plot, GMSK 1MB, 30MHz ­ 1GHz, Mid

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Figure 12 - Radiated Emissions Plot, GMSK 1MB, 1GHz ­ 3.6GHz, Mid

Figure 13 - Radiated Emissions Plot, GMSK 1MB, 3.6GHz ­ 25GHz, Mid

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Figure 14 - Radiated Emissions Plot, GMSK 2MB, 30MHz ­ 1GHz, Mid

Figure 15 - Radiated Emissions Plot, GMSK 2MB, 1GHz ­ 3.6GHz, Mid

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Figure 16 - Radiated Emissions Plot, GMSK 2MB, 3.6GHz ­ 25GHz, Mid

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4.6 BAND EDGES
Test Method: All the radio measurements were performed using the sections from ANSI C63.10, details about the section used can be found in the spectrum analyzer titles on the graph.
Limits of band-edge measurements: For FCC Part 15.247 Device: In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in §15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c))
Test procedures:
The highest emissions level beyond the band-edge was measured and recorded. All band edge measurements were evaluated to the general limits in Part 15.209. More details can be found in section 3.4 of this report.
Deviations from test standard: No deviation.
Test setup: Test setup details can be found in section 3.4 of this report.
EUT operating conditions: Details can be found in section 2.1 of this report.

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Test results:
Pass
Comments: 1. All the band edge plots can be found in the Appendix C. 2. If the device falls under FCC Part 15.247 (Details can be found in summary of test results),
compliance is shown in the unrestricted band edges by showing minimum delta of 20 dB between peak and the band edge. 3. The restricted band edge compliance is shown by comparing to the general limit defined in Part 15.209. 4. Tabulated data is listed in section 4.0.

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4.7 POWER SPECTRAL DENSITY
Test Method: All the radio measurements were performed using the sections from ANSI C63.10, details about the section used can be found in the spectrum analyzer titles on the graph.
Limits of power measurements:
For FCC Part 15.247 Device: The maximum PSD allowed is 8 dBm.
Test procedures: Details can be found in section 3.4 of this report.
Deviations from test standard: No deviation.
Test setup: Details can be found in section 3.4 of this report.
EUT operating conditions: Details can be found in section 2.1 of this report.
Test results:
Pass
Comments: 1. All the Power Spectral Density (PSD) plots can be found in the Appendix C. 2. All the measurements were found to be compliant. 3. Tabulated data is listed in section 4.0.

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4.8 CONDUCTED AC MAINS EMISSIONS

Test Method: ANSI C63.10-2013, Section(s) 6.2

Limits for conducted emissions measurements:

FREQUENCY OF EMISSION

CONDUCTED LIMIT

(MHz)

(dBµV)

Quasi-peak Average

0.15-0.5

66 to 56

56 to 46

0.5-5

56

46

5-30

60

50

Notes: 1. The lower limit shall apply at the transition frequencies. 2. The limit decreases in line with the logarithm of the frequency in the range of 0.15 to 0.50 MHz 3. All emanations from a class A/B digital device or system, including any network of conductors and apparatus connected thereto, shall not exceed the level of field strengths specified above.

Test Procedures:

a. The EUT was placed 0.8m above a ground reference plane and 0.4 meters from the conducting wall of a shielded room with EUT being connected to the power mains through a line impedance stabilization network (LISN). The LISN provides 50 ohm/ 50uH of coupling impedance for the measuring instrument.
b. Both lines of the power mains connected to the EUT were checked for maximum conducted interference as well as the ground.
c. The frequency range from 150 kHz to 30 MHz was searched. Emission levels over 10dB under the prescribed limits are not reported.
d. Results were compared to the 15.207 limits.

Deviation from the test standard: No deviation

EUT operating conditions: Details can be found in section 2.1 of this report.

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Test Results:

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Figure 17 - Conducted Emissions Plot, Line, TX

Figure 18 - Conducted Emissions Plot, Neutral, TX

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Figure 19 - Conducted Emissions Plot, Line, IDLE

Figure 20 - Conducted Emissions Plot, Neutral, IDLE

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4.9 ANTENNA GAIN
Test procedures: Device's conducted power was measured then then same measurement was repeated on a radiated sample at 3m test distance and converted to E.I.R.P.
Test setup: Details can be found in section 2.1 of this report.
EUT operating conditions: Details can be found in section 2.1 and 2.2 of this report.

Test results:
Antenna Gain: Radiated Average power ­ Conducted Average Power = Antenna gain 12.24 dBm ­ 15.53 dBm = -3.29 dBi
Comments: 1. Data was used from a different transmitter that utilizes the same antenna and same frequency band 2. Since antenna gain was negative, conducted values were compared to the limit as if 0dBm gain for worst
case

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Figure 21 ­ Conducted Average Power Measurement, 802.11g 6MB

Figure 22 ­ Radiated Average Power Measurement, 802.11g 6MB Reference offset includes EIRP conversion and corrections

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APPENDIX A: SAMPLE CALCULATION Field Strength Calculation The field strength is calculated by adding the Antenna Factor and Cable Factor, and subtracting the Amplifier Gain (if any) from the measured reading. The basic equation with a sample calculation is as follows: FS = RA + AF ­ (-CF + AG) + AV where FS = Field Strength
RA = Receiver Amplitude AF = Antenna Factor CF = Cable Attenuation Factor AG = Amplifier Gain AV = Averaging Factor (if applicable)

Assume a receiver reading of 55 dBV is obtained. The Antenna Factor of 12 and a Cable Factor of 1.1 is added. The Amplifier Gain of 20 dB is subtracted, giving a field strength of 48.1 dBV/m.
FS = 55 + 12 ­ (-1.1 + 20) + 0 = 48.1 dBV/m
The 48.1 dBV/m value can be mathematically converted to its corresponding level in V/m.
Level in V/m = Common Antilogarithm [(48.1 dBV/m)/20]= 254.1 V/m
AV is calculated by the taking the 20*log(Ton/100) where Ton is the maximum transmission time in any 100ms window.

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EIRP Calculations
In cases where direct antenna port measurement is not possible or would be inaccurate, output power is measured in EIRP. The maximum field strength is measured at a specified distance and the EIRP is calculated using the following equation;

EIRP (Watts) = [Field Strength (V/m) x antenna distance (m)]2 / 30 Power (watts) = 10^[Power (dBm)/10] / 1000 Voltage (dBµV) = Power (dBm) + 107 (for 50 measurement systems) Field Strength (V/m) = 10^[Field Strength (dBµV/m) / 20] / 10^6 Gain = 1 (numeric gain for isotropic radiator) Conversion from 3m field strength to EIRP (d=3):

EIRP = [FS(V/m) x d^2]/30 = FS [0.3] for d = 3

EIRP(dBm) = FS(dBµV/m) ­ 10(log 10^9)+ 10log[0.3] = FS(dBµV/m) - 95.23

10log( 10^9) is the conversion from micro to milli

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APPENDIX B ­ MEASUREMENT UNCERTAINTY

Where relevant, the following measurement uncertainty levels have been for tests performed in this test report:

Test Radiated Emissions, 3m Radiated Emissions, 3m Emissions limits, conducted

Frequency Range 30MHz - 1GHz 1GHz - 18GHz
150kHz ­ 30MHz

Uncertainty Value (dB) ±4.31 ±5.08 ±3.03

Expanded uncertainty values are calculated to a confidence level of 95%.

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APPENDIX C ­ GRAPHS AND TABLES

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01 Average Power, Low Channel, GFSK

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02 Average Power, Mid Channel, GFSK

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03 Average Power, High Channel, GFSK

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04 6dB Bandwidth, Low Channel, GFSK

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05 6dB Bandwidth, Mid Channel, GFSK

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06 6dB Bandwidth, High Channel, GFSK

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07 PSD, Low Channel, GFSK

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08 PSD, Mid Channel, GFSK

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09 PSD, High Channel, GFSK

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10 Lower Bandedge, Unrestricted, GFSK

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11 Higher Bandedge, Unrestricted, GFSK

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12 Lower Bandedge, Restricted, GFSK

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13 Higher Bandedge, Restricted, GFSK

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14 Average Power, Low Channel, GMSK 1MB

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15 Average Power, Mid Channel, GMSK 1MB

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23 LBE, unrestricted GMSK 1MB

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27 Average Power, Low Channel, GMSK 2MB

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28 Average Power, Mid Channel, GMSK 2MB

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29 Average Power, High Channel, GMSK 2MB

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31 6dB Bandwidth, Mid Channel, GMSK 2MB

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33 PSD, Low Channel, GMSK 2MB

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34 PSD, Mid Channel, GMSK 2MB

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35 PSD, High Channel, GMSK 2MB

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36 Lower Bandedge, Unrestricted, GMSK 2MB

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37 Higher Bandedge, Unrestricted, GMSK 2MB

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38 Lower Bandedge, Restricted, GMSK 2MB

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39 Higher Bandedge, Restricted, GMSK 2MB

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40 Occupied Bandwidth, Low Channel, GFSK

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42 Occupied Bandwidth, High Channel, GFSK

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REPORT END

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