TBR-C-202211-0075-1 RF Exposure

Air Conditioner

E97068

Smart Tsai

RF Exposure

Shenzhen Senyang Zhiyuan Technology Co.,Ltd TWS Wireless headset 2A9CD-TWS 2A9CDTWS tws

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Document DEVICE REPORTGetApplicationAttachment.html?id=6240760
Shenzhen Toby Technology Co., Ltd.

Report No.: TBR-C-202211-0075-1

Page:

1 of 3

RF Exposure Evaluation

1. Client Information

FCC ID:2A9CD-TWS

Applicant

: Shenzhen Senyang Zhiyuan Technology Co., Ltd

Address

:

505, Floor 5, West Block, Building 405, Sanda Industrial Zone, Futian District, Shenzhen.China.

Manufacturer : Shenzhen Senyang Zhiyuan Technology Co., Ltd

Address

:

No. 18, Lane 18, Beiyuan, Mei2, Huicheng Town, Huilai County, Jieyang City, Guangdong Province.China.

2. General Description of EUT

EUT Name
Model(s) No.
Model Difference Product Description Power Supply (Earphone) Power Supply (Charge box) Software Version Hardware Version

: Wireless headset

TWS, H6, H01, H02, H03, H04, H05, H06, H07, H08, H09, H10,

H11, H12, H13, H14, H15, H16, H17, H18, H19, H20, H21, H22,

H23, H24, H25, H26, H27, H28, H29, H30, H31, H32, H33, H34,

H35, H36, H37, H38, H39, H40, H41, H42, H43, H44, H45, H46,

H47, H48, H49, H50, H51, H52, H53, H54, H55, H56, H57, H58,

: H59, H60, H61, H62, H63, H64, H65, H66, H67, H68, H69, H70,

H71, H72, H73, H74, H75, H76, H77, H78, H79, H80, H81, H82,

H83, H84, H85, H86, H87, H88, H89, H90, H91, H92, H93, H94,

H95, H96, H97, H98, H99, Y60, Y70, Y80, Y90, Y100, PRO6,

PRO60, PRO70, PRO80, PRO90, PRO100, A6S, E6S, E10,

AIR1, AIR2, AIR3

:

All PCB boards and circuit diagrams are the same, the only difference is that appearance and packaging.

Operation Frequency:

Bluetooth 5.3(BDR+EDR): 2402MHz~2480MHz

: RF Output Power:

BT: 1.786dBm

Antenna Gain:

-8.46dBi PCB Antenna

: DC 3.7V by 30mAh Rechargeable Li-ion battery

: Input: DC 5V, 40mAh

:

V-800_AC6969A2_H6_221108_A47D3F69_update- 2(25)-R V-800_AC6969A2_H6_221108_09792EB1_update- 2(25)-L

: E6S-6969-4L-5V

Remark: The antenna gain provided by the applicant, the adapter and verified for the RF conduction test and adapter provided by TOBY test lab.
Note: More test information about the EUT please refer the RF Test Report.

TB-RF-074-1.0

1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195

Report No.: TBR-C-202211-0075-1

Page:

2 of 3

The RF Exposure Evaluation for FCC:
SAR Test Exclusion Calculations
FCC: According to 447498 D04 Interim General RF Exposure Guidance v01. The SAR-based exemption formula of § 1.1307(b)(3)(i)(B), repeated here as Formula (B.2), applies for single fixed, mobile, and portable RF sources with available maximum time-averaged power or effective radiated power (ERP), whichever is greater, of less than or equal to the threshold Pth (mW). This method shall only be used at separation distances from 0.5 cm to 40 cm and at frequencies from 0.3 GHz to 6 GHz (inclusive). Pth is given by Formula (B.2).

and f is in GHz, d is the separation distance (cm), and ERP20cm is per Formula (B.1). The example values shown in Table B.2 are for illustration only.
Table B.2--Example Power Thresholds (mW)

TB-RF-074-1.0

Report No.: TBR-C-202211-0075-1

Page:

3 of 3

Calculation:

Test separation: 5mm

Frequency (GHz)
2.402 2.441
2.480

Conducted Power (dBm) 0.172
0.417
0.44

Frequency (GHz)
2.402 2.441 2.480

Conducted Power (dBm) 0.952
1.18
1.213

Frequency (GHz)
2.402 2.441 2.480

Conducted Power (dBm) 1.497
1.725
1.786

Turn-up Power Tolerance (dB)
0±1

Bluetooth GFSK
Max power of tune up tolerance (dBm)
1

0±1

1

0±1

1

Bluetooth /4-DQPSK

Turn-up Power Tolerance (dB)

Max power of tune up tolerance
(dBm)

1±1

2

1±1

2

1±1

2

Bluetooth 8-DPSK

Turn-up Power Tolerance (dB)

Max power of tune up tolerance
(dBm)

1±1

2

2±1

3

2±1

3

Max power of tune up tolerance (mW) 1.259 1.259 1.259
Max power of tune up tolerance (mW) 1.585 1.585 1.585
Max power of tune up tolerance (mW) 1.585 1.995 1.995

Limit Pth(mW)
3 3 3
Limit Pth(mW)
3 3 3
Limit Pth(mW)
3 3 3

Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06, No SAR is required.
-----END OF REPORT-----

TB-RF-074-1.0



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