TR Part 15.407 UNII 1

Ubiquiti Inc. U6MESHP SWX-U6MESHP SWXU6MESHP u6meshp

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427 West 12800 South Draper, UT 84020
Test Report
Certification

FCC ID Equipment Under Test Test Report Serial Number Date of Tests Report Issue Date

SWX-U6MESHP U6-Mesh-Pro TR8696_03 5-8, 14, 22 December 2023 16 April 2024

Test Specification 47 CFR FCC Part 15, Subpart E

Applicant
Ubiquiti Inc. 685 Third Avenue New York, NY 10017 U.S.A.

NVLAP LAB CODE 600241-0

427 West 12800 South, Draper, UT 84020

Certification of Engineering Report

This report has been prepared by Unified Compliance Laboratory (UCL) to document compliance of the device described below with the requirement of Federal Communication Commissions (FCC) Part 15, Subpart E. This report may be reproduced in full. Partial reproduction of this report may only be made with the written consent of the laboratory. The results in this report apply only to the sample tested.

Applicant

Ubiquiti Inc.

Manufacturer Ubiquiti Inc.

Brand Name UBIQUITI

Model Number U6-Mesh-Pro

FCC ID

SWX-U6MESHP

ISED ID

6545A-U6MESHP

On this 16th day of April 2024, I individually and for Unified Compliance Laboratory certify that the statements made in this engineering report are true, complete, and correct to the best of my knowledge and are made in good faith.
Although NVLAP has accredited the Unified Compliance Laboratory testing facilities, this report must not be used to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the U.S. federal government.
Unified Compliance Laboratory

Written By: Kimberly Rodriguez

Reviewed By: Richard L. Winter

TR8696_U6-Mesh-Pro_15.407_UNII-1_03 PROPRIETARY

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Revision 01 02
03

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Revision History Description
Original Report Release Added Power Table in
Section 5.4 Updated Elevation Angle info
of section 5.4.

Date 29 December 2023
11 April 2024
16 April 2024

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Table of Contents
1 Client Information................................................................................................................................. 5 1.1 Applicant....................................................................................................................................... 5 1.2 Manufacturer................................................................................................................................. 5
2 Equipment Under Test (EUT)............................................................................................................... 6 2.1 Identification of EUT .................................................................................................................... 6 2.2 Description of EUT....................................................................................................................... 6 2.3 EUT and Support Equipment ........................................................................................................ 6 2.4 Interface Ports on EUT ................................................................................................................. 7 2.5 Operating Environment................................................................................................................. 7 2.6 Operating Modes........................................................................................................................... 7 2.7 EUT Exercise Software................................................................................................................. 7 2.8 Block Diagram of Test Configuration .......................................................................................... 8 2.9 Modification Incorporated/Special Accessories on EUT.............................................................. 8 2.10 Deviation, Opinions Additional Information or Interpretations from Test Standard.................... 8
3 Test Specification, Method and Procedures.......................................................................................... 9 3.1 Test Specification.......................................................................................................................... 9 3.2 Methods & Procedures.................................................................................................................. 9 3.3 FCC Part 15, Subpart E................................................................................................................. 9 3.4 Results......................................................................................................................................... 10 3.5 Test Location .............................................................................................................................. 10
4 Test Equipment ................................................................................................................................... 11 4.1 Conducted Emissions at Mains Ports.......................................................................................... 11 4.2 Direct Connect at the Antenna Port Tests ................................................................................... 11 4.3 Radiated Emissions ..................................................................................................................... 12 4.4 Equipment Calibration ................................................................................................................ 13 4.5 Measurement Uncertainty ........................................................................................................... 13
5 Test Results ......................................................................................................................................... 14 5.1 §15.203 Antenna Requirements .................................................................................................. 14 5.2 Conducted Emissions at Mains Ports Data ................................................................................. 14 5.3 §15.403(i) 26 dB Emissions Bandwidth ..................................................................................... 16 5.4 §15.407(a)(2) Maximum Average Output Power ....................................................................... 17 5.5 §15.407(b) Spurious Emissions .................................................................................................. 19 5.6 §15.407(a) Maximum Power Spectral Density ........................................................................... 27

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1 Client Information
1.1 Applicant
Company Contact Name Title
1.2 Manufacturer
Company Contact Name Title

427 West 12800 South, Draper, UT 84020
Ubiquiti Inc. 685 Third Avenue New York, NY 10017 U.S.A. Alex Macon Compliance
Ubiquiti Inc. 685 Third Avenue New York, NY 10017 U.S.A. Alex Macon Compliance

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2 Equipment Under Test (EUT)
2.1 Identification of EUT

Brand Name

Ubiquiti

Model Number

U6-Mesh-Pro

Serial Number

1FA1CC

Dimensions (cm)

34.32 x 18.12 x 6.02

2.2 Description of EUT

The U6-Mesh-Pro is a four-stream Wi-Fi 6 access point that delivers up to 2.4 Gbps aggregate radio rate with 2X2 5 GHz (DL/UL MU-MIMO) and 2.4 GHz (DL/UL MU-MIMO) radios.

Band UNII-1

WiFi Mode
a ax ax ax

Modulation Bandwidth
20 MHz 20 MHz 40 MHz 80 MHz

Modulation Type OFDM HE HE HE

Frequency (MHz)
5180, 5200, 5210, 5240 5180, 5200, 5210, 5240 5190, 5230 5210

This report covers the circuitry of the device subject to FCC Part 15, Subpart E. The circuitry of the device subject to FCC Part 15 Subpart B was found to be compliant and is covered under a separate Unified Compliance Laboratory test report.
2.3 EUT and Support Equipment

The EUT and support equipment used during the test are listed below.

Brand Name Model Number Serial Number

Description

BN: UniFi MN: U6-Mesh (Note 1) SN: 68D79A1F02AB

WiFi Access Point

BN: Ubiquiti MN: UPOE-at (Note 1) SN: N/A

PoE Power Adapter

BN: Dell MN: XPS 13 SN: N/A

Laptop PC

Notes: (1) EUT

(2) Interface port connected to EUT (See Section 2.4)

TR8696_U6-Mesh-Pro_15.407_UNII-1_03

PROPRIETARY

Name of Interface Ports / Interface Cables
See Section 2.4
Shielded or Un-Shielded Cat 5e cable (Note 2)
Shielded or Un-Shielded Cat 5e cable (Note 2)
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The support equipment listed above was not modified in order to achieve compliance with this standard.
2.4 Interface Ports on EUT

Name of Ports Data AC (PoE Injector)
LAN (PoE Injector)

No. of Ports Fitted to EUT 1 1
1

2.5 Operating Environment

Cable Description/Length Shielded Cat 5e cable/8meters 3 conductor power cord/80cm
Un-shielded Cat 5e cable/1 meter

Power Supply AC Mains Frequency Temperature Humidity Barometric Pressure

240V AC to 48V PoE 50 Hz 22.7-25.2 ºC 19.43 % 1016 mBar

2.6 Operating Modes

The U6-Mesh-Pro tested using test software in order to enable a constant transmission. The measurements within this report are corrected to reference a 100% duty cycle. All emission modes of 802.11 a/ax were investigated. All measurements are reported with the worst-case mode (802.11ax) unless otherwise stated.
2.7 EUT Exercise Software

EUT firmware version 1.0 was used to operate the transmitter using a constant transmit mode.

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2.8 Block Diagram of Test Configuration

Diagram 1: Test Configuration Block Diagram
2.9 Modification Incorporated/Special Accessories on EUT
There were no modifications made to the EUT during testing to comply with the specification.
2.10 Deviation, Opinions Additional Information or Interpretations from Test Standard
There were no deviations, opinions, additional information or interpretations from the test specification.

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3 Test Specification, Method and Procedures
3.1 Test Specification

Title Purpose of Test

47 CFR FCC Part 15, Subpart E, Section 15.407 Limits and methods of measurement of radio interference characteristics of Unlicensed National Information Infrastructure Devices
The tests were performed to demonstrate initial compliance

3.2 Methods & Procedures

3.2.1 47 CFR FCC Part 15 Section 15.407 See test standard for details.
3.3 FCC Part 15, Subpart E

3.3.1 Summary of Tests

FCC Section ISED Section

Environmental Phenomena

Frequency Range (MHZ)

Result

15.407(a)

N/A

Antenna requirements

Structural Requirement

Compliant

15.407(b)

RSS-Gen

Conducted Disturbance at Mains Port

0.15 to 30 Compliant

15.407(c)

RSS-247 §6.2.2, §6.2.3

Bandwidth Requirement

5180 to 5240 Compliant

15.407(e)

RSS-247 §6.2.2, §6.2.3

Peak Output Power

5180 to 5240 Compliant

15.407(f)

RSS-247 §6.2.2, §6.2.3

Antenna Conducted Spurious Emissions

0.009 to 40000

N/A

15.407(g)

RSS-247 §6.2.2, §6.2.3

Radiated Spurious Emissions

0.009 to 40000

Compliant

15.407(h)

RSS-247 §6.2.2, §6.2.3

Peak Power Spectral Density

5180 to 5240 Compliant

The testing was performed according to the procedures in ANSI C63.10-2013, KDB 789033 and 47 CFR Part 15. Where applicable, KDB 662911 was followed to sum required measurements.

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3.4 Results
In the configuration tested, the EUT complied with the requirements of the specification.
3.5 Test Location
Testing was performed at the Unified Compliance Laboratory 3-meter and 10-meter chamber located at 427 West 12800 South, Draper, UT 84020. Unified Compliance Laboratory is accredited by National Voluntary Laboratory Accreditation Program (NVLAP); NVLAP Code 600241-0 which is effective until 30 June 2024. This site has also been registered with Innovations, Science and Economic Development (ISED) department as was accepted under Appendix B, Phase 1 procedures of the APEC Tel MRA for Canadian recognition. ISED No.: 25346, effective until 30 June 2024.
Unified Compliance Laboratory has been assigned Designation Number US5037 by the FCC and Conformity Assessment Number US0223 by ISED.

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4 Test Equipment
4.1 Conducted Emissions at Mains Ports

Type of Equipment EMI Receiver
LISN

Manufacturer
AFJ AFJ

Model Number FFT3010
LS16C/10

Asset Number UCL-2500
UCL-2512

Date of Last Calibration 7/13/2023
5/26/2023

Due Date of Calibration 7/13/2024 5/26/2024

ISN

Teseq

ISN T800 UCL-2974 6/27/2022

6/27/2024

LISN

Com-Power LIN-120C UCL-2612 1/24/2023

1/24/2024

AC Power Source

Laplace Instruments

AC1000A UCL-2857

N/A

N/A

Test Software

UCL

Revision 1 UCL-3107

N/A

N/A

Table 1: List of equipment used for Conducted Emissions Testing at Mains Port

Figure 1: Conducted Emissions Test
4.2 Direct Connect at the Antenna Port Tests

Type of Equipment Spectrum Analyzer Signal Generator Vector Signal Generator
Switch Extension
Switch Extension

Manufacturer R&S R&S R&S
R&S R&S

Model Number FSV40 SMB100A

Asset Number UCL-2861 UCL-2864

Date of Last Calibration 11/27/2023
N/A

SMBV100A UCL-2873

N/A

OSPB157WX
OSP-150W

UCL-2867 UCL-2870

2/22/2023 2/22/2023

Due Date of Calibration 11/27/2024
N/A
N/A
2/22/2024
2/22/2024

Table 2: List of equipment used for Direct Connect at the Antenna Port

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Figure 2: Direct Connect at the Antenna Port Test

Figure 3: Output Power Measurement
4.3 Radiated Emissions

Type of Equipment EMI Receiver Pre-Amplifier 9 kHz ­ 1 GHz Broadband
Antenna Broadband Antenna Double Ridge Horn Antenna Log Periodic
15 - 40 GHz Horn Antenna
1 ­ 18 GHz Amplifier Test Software

Manufacturer
Keysight Sonoma Instruments
Scwarzbeck

Model Number N9038A
310N

Asset Number UCL-2778
UCL-2889

VULB 9163 UCL-3062

Date of Last Calibration 1/27/2023
10/7/2021
2/22/2023

Scwarzbeck
Scwarzbeck Scwarzbeck Scwarzbeck

VULB 9163 UCL-3071

BBHA 9120D
STLP 9129

UCL-3065 UCL-3068

BBHA 9170 UCL-2487

1/11/2023
9/22/2022 1/27/2023 6/09/2022

Com-Power PAM 118A UCL-3833 12/9/2022

UCL

Revision 1 UCL-3108

N/A

Table 3: List of equipment used for Radiated Emissions

Due Date of Calibration 1/27/2024 12/7/2023
2/22/2025
1/11/2025
9/22/2024 1/27/2025 6/09/2024
12/9/2023 N/A

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Figure 4: Radiated Emissions Test
4.4 Equipment Calibration

All applicable equipment is calibrated using either an independent calibration laboratory or Unified Compliance Laboratory personnel at intervals defined in ANSI C63.4:2014 following outlined calibration procedures. All measurement instrumentation is traceable to the National Institute of Standards and Technology (NIST). Supporting documentation relative to traceability is on file and is available for examination upon request.
4.5 Measurement Uncertainty

Test Conducted Emissions Radiated Emissions (9 kHz to 30 MHz) Radiated Emissions (30 MHz to 1 GHz) Radiated Emissions (1 GHz to 18 GHz) Radiated Emissions (18 GHz to 40 GHz) Direct Connect Tests Emissions Bandwidth Output Power Peak Power Spectral Density Band Edge Transmitter Spurious Emissions

Uncertainty (+ dB) 1.44 2.50 4.38 4.37 3.93
K Factor 2 2 2 2 2

Confidence (%) 95 95 95 95 95
Value 2.0% 1.0 dB 1.3 dB 0.8 dB 1.8 dB

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5 Test Results
5.1 §15.203 Antenna Requirements
The EUT uses an integral folding antenna structure. Per the manufacturer, the maximum gain of the antenna per chain is 8 dBi. This is an 802.11 device and utilizes CDD as described in KDB 662911 D01. The antenna is not user replaceable. For power measurements on IEEE 802.11 devices, Array Gain = 0 dB for NANT  4; For PSD measurements when Nss=1: Array Gain = 10 log(Nant/Nss) dB = 3.01dB Results The EUT complied with the specification
5.2 Conducted Emissions at Mains Ports Data
5.2.1 Line

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5.2.2 Neutral

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Result The EUT complied with the specification limit.

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5.3 §15.403(i) 26 dB Emissions Bandwidth

All chains were measured under the guidance of KDB 789033 Section II.C. and KDB 66291 D01. Please

see associated annex for details on instrument settings.

Nominal BW (MHz)

Frequency (MHz)

99% Bandwidth (MHz)

Emissions 26 dB Bandwidth (MHz)

a 20

5180

16.3

19.9

a 20

5210

18.6

32.2

a 20

5240

16.7

28.4

ax 20

5180

19.0

20.3

ax 20

5210

19.3

25.9

ax 20

5240

21.8

23.6

ax 40

5190

38.0

39.8

ax 40

5230

38.5

40.2

ax 80

5210

77.0

81.5

Result All chains were tested and the highest bandwidth per chain is reported above. The 26 dB bandwidths are reported for information purposes. Please see Annex for all bandwidth measurements.

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5.4 §15.407(a)(2) Maximum Average Output Power
All chains were measured and summed under the guidance of KDB 789033 Section II. E.2. and KDB 66291 D01. Please see associated annex for details on instrument settings. The maximum average RF conducted output power measured for this device was 27.97 dBm or 626.61 mW. The limit is 30 dBm, or 1 Watt when using an antenna with 23 dBi (Fixed point to point) or 6 dBi (indoor/outdoor access point) or less gain. The antenna has a gain of 8 dBi.

Modulation Frequency

(BW)

(MHz)

Data Rate

TP Setting

Conducted Output Power

Measured EIRP

Measured PSD

OFDM 20 OFDM 20 OFDM 20
HE 20 HE 20 HE 20 HE 40 HE 40 HE 80

5180

Mcs0

44

5210

Mcs0

51

5240

Mcs0

50

5180

Mcs0

42

5210

Mcs0

51

5240

Mcs0

51

5190

Mcs0

33

5230

Mcs0

47

5210

Mcs0

32

23.92 27.97 27.25 22.12 27.14 26.85 17.8 25.51 17.34

31.92 35.97 35.25 30.12 35.14 34.85 25.80 33.51 25.34

10.32 14.43 13.57 8.21 13.15 12.68 1.09 9.15 -1.85

PSD NSS=1 Directional Gain Table

Modulation Frequency

(BW)

(MHz)

Data Rate

Backoff TP
Setting

Conducted Output Power

Measured EIRP

Measured PSD

OFDM 20 OFDM 20 OFDM 20
HE 20 HE 20 HE 20 HE 40 HE 40 HE 80

5180

Mcs0

44

5210

Mcs0

46

5240

Mcs0

46

5180

Mcs0

42

5210

Mcs0

48

5240

Mcs0

49

5190

Mcs0

33

5230

Mcs0

47

5210

Mcs0

32

23.92 25.47 25.25 22.12 25.64 25.85 17.8 25.51 17.34

31.92 33.47 33.25 30.12 33.64 33.85 25.80 33.51 25.34

10.32 11.93 11.57 8.21 11.65 11.68 1.09 9.15 -1.85

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30+ Degree Elevation Angle Adjustment Results.

Modulation Frequency

(BW)

(MHz)

Data Rate

Backoff TP
Setting

Conducted Output Power

Measured EIRP

Measured PSD

OFDM 20 OFDM 20 OFDM 20
HE 20 HE 20 HE 20 HE 40 HE 40 HE 80

5180

Mcs0

28

5210

Mcs0

28

5240

Mcs0

28

5180

Mcs0

30

5210

Mcs0

29

5240

Mcs0

29

5190

Mcs0

29

5230

Mcs0

29

5210

Mcs0

29

15.54 15.60 15.88 15.93 15.75 15.82 15.98 15.60 15.99

20.54 20.60 20.88 20.93 20.75 20.82 20.98 20.60 20.99

2.05 2.05 2.12 2.09 1.80 1.68 -0.58 -1.36 -3.31

Result In the configuration tested, the maximum summed average RF output power was less than 1 watt; therefore, the EUT compiled with the requirements of the specification (see spectrum analyzer plots in attached Annex).

Max Antenna gain above 30 degrees = ~5dBi.

Plot 1: Elevation Plot Greater Than 30-Degrees from Horizon

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5.5 §15.407(b) Spurious Emissions
5.5.1 Conducted Spurious Emissions The frequency range from the lowest frequency generated or used in the device to the tenth harmonic of the highest fundamental frequency was investigated to measure any antenna-conducted emissions. The graphs show the measurement data from spurious emissions noted across the frequency range when transmitting at the lowest frequency, middle frequency and upper frequency. Shown below are plots with the EUT turned to the upper and lower channels with the antenna gain of 8 dBi accounted for. These demonstrate compliance with the provisions of this section at the band edges. The emissions must be remain below -27 dBm EIRP. Result Conducted spurious emissions were below -27 dBm; therefore, the EUT complies with the specification.
5.5.2 Radiated Spurious Emissions in the Restricted Bands of § 15.205 The EUT uses various power settings based on the channel in use. In order to reduce test time, the radiated spurious emissions at the lowest, middle, and highest channel were measured at the maximum power of TP55, as this setting was found to be worst case for spurious emissions. Power was subsequently reduced during in-band and band edge testing. The band edge at the restricted band ending at 5150 MHz was measured using radiated measurement. All emissions modes were tested, and the worstcase measurement are shown below. For frequencies above 1 GHz, a measurement of 3 meters was used. For frequencies below 1 GHz, a measurement distance of 10 meters was used. Correction Factor = Antenna Factor + Cable Loss - Pre-Amplifier Gain, and is added to the Receiver reading.
Result All emissions in the restricted bands of § 15.205 met the limits specified in § 15.209; therefore, the EUT complies with the specification. All emissions me the limits specified in § 15.407(b). Representative band edge plots are included in this report.

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QuasiPeak
Frequency 36.374 MHz 36.48 MHz 38.328 MHz

SR # 1 1 1

Level (dBµV/m) 35.221 35.51 34.369

Limit (dBµV/m) 39 39 39

Margin -3.779 -3.49 -4.631

Azimuth (°) 71 63 8

Height 1.842 1.156 0.998

Pol. Vertical Vertical Vertical

Table 4: 30MHz to 1GHz Radiated Emissions

Correction (dB) -14.833 -14.823 -14.439

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Frequency 12.33 GHz 16.226 GHz 12.33 GHz 16.226 GHz 4.8001 GHz 12.611 GHz 16.189 GHz 4.8001 GHz 12.611 GHz 16.189 GHz

SR # Peak Peak AVG AVG Peak Peak Peak AVG AVG AVG

Level (dBµV/m) 54.202 55.197 37.242 36.984 50.959 54.459 57.23 41.799 37.244 37.166

Limit (dBµV/m) 74 74 54 54 74 74 74 54 54 54

Margin (dB) -19.798 -18.803 -16.758 -17.016 -23.041 -19.541 -16.77 -12.201 -16.756 -16.834

Azimuth (°) 175 54 175 54 125 313 138 125 313 138

Height (m) 2.753 2.055 2.753 2.055 1.812 2.709 3.071 1.812 2.709 3.071

Pol. Vertical Vertical Vertical Vertical Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal

Correction (dB) 16.634 17.676 16.634 17.676 4.45 16.593 17.894 4.45 16.593 17.894

Table 5: 1-17GHz Spurious Emissions Transmitting on the Low Frequency 5180 MHz

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Frequency 20.837 GHz 27.042 GHz 34.916 GHz 20.837 GHz 27.042 GHz 34.916 GHz 20.837 GHz 31.27 GHz 20.837 GHz 31.27 GHz

SR # Peak Peak Peak AVG AVG AVG Peak Peak AVG AVG

Level (dBµV/m) 59.616 51.536 52.445 46.666 35.811 35.455 66.077 50.808 52.674 36.673

Limit (dBµV/m) 74 74 74 54 54 54 74 74 54 54

Margin (dB) -14.384 -22.464 -21.555 -7.334 -18.189 -18.545 -7.923 -23.192 -1.326 -17.327

Azimuth (°) 344 173 96 344 173 96 316 64 316 64

Pol. Vertical Vertical Vertical Vertical Vertical Vertical Horizontal Horizontal Horizontal Horizontal

Correction (dB) -0.336 1.547 3.386 -0.336 1.547 3.386 -0.336 0.708 -0.336 0.708

Table 6: Transmitting on the Highest Frequency 5200 MHz

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Graph 5: Band Edge ax Mode 20 MHz ­ 5180 MHz

Graph 6: Band Edge ax Mode 20 MHz - 5200 MHz

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Graph 7: Band Edge ax Mode 20 MHz ­ 5210 MHz

Graph 8: Band Edge ax Mode 40 MHz - 5240 MHz

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Graph 9: Band Edge ax Mode 40 MHz - 5190 MHz

Graph 10: Band Edge ax Mode 40 MHz ­ 5230 MHz

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427 West 12800 South, Draper, UT 84020 Graph 11: Band Edge ax Mode 80 MHz - 5210 MHz

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5.6 §15.407(a) Maximum Power Spectral Density
All chains were measured and summed under the guidance of KDB 789033 Section II. F. and KDB 66291 D01. Please see associated annex for details on instrument settings.

The maximum average power spectral density conducted from the intentional radiator of the antenna shall not be greater than 17 dBm in any 1 MHz band during any time interval of continuous transmission. As per KDB 662911, when the EUT is using spatial-multiplexing in HT to HE modes, there is not additional array gain to accommodate. When the EUT uses Nss=1 data rates, the antenna gain is 8 dBi + Array gain of 3.01 dB which is a total of 11.01 dBi Results of this testing are summarized.

Modulation Frequency

(BW)

(MHz)

Data Rate

TP

Measured

Setting

PSD

OFDM 20

5180

Mcs0

44

10.32

OFDM 20

5210

Mcs0

46

11.93

OFDM 20

5240

Mcs0

46

11.57

HE 20

5180

Mcs0

42

8.21

HE 20

5210

Mcs0

48

11.65

HE 20

5240

Mcs0

49

11.68

HE 40

5190

Mcs0

33

1.09

HE 40

5230

Mcs0

47

9.15

HE 80

5210

Mcs0

32

-1.85

Result

The maximum summed average power spectral density was less than the limit of 17dBm; therefore, the EUT complies with the specification.

TR8696_U6-Mesh-Pro_15.407_UNII-1_03 PROPRIETARY

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427 West 12800 South, Draper, UT 84020 -- End of Test Report --

TR8696_U6-Mesh-Pro_15.407_UNII-1_03 PROPRIETARY

Page 28 of 28



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