2AF2R-HB168TX2.4GHz Digital Wireless Audio Baby Unit

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202311-0255-4 Page: 1 of 3 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 Maximum Permissible Exposure Evaluation FCC ID: 2AF2R-HB168TX 1. Client Information Applicant : Shenzhen Videotimes Technology Co., Ltd Address : Room 2106, Building 11, Tianan Yungu Phase II(Plot of Land 02-08), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong.China. Manufacturer : Shenzhen Videotimes Technology Co., Ltd Address : Room 2106, Building 11, Tianan Yungu Phase II(Plot of Land 02-08), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong.China. 2. General Description of EUT EUT Name : 2.4GHz Digital Wireless Audio Baby Unit Models No. : HB168, VT168, BBM800, JA2001, BG1001, BL9001, VV6001 Model Different : All these models are identical in the same PCB, layout and electrical circuit, the only difference is different customers, different model name. Sample ID : 202311-0255-2-1# & 202311-0255-2-2# Product Description : Operation Frequency: Bluetooth 5.2(BR+EDR): 2402MHz~2480MHz Power Rating : AC Adapter #1 (Model: K05V050100U): Input: 100-240V~50/60Hz, 0.2A Output: 5.0V⎓1.0A AC Adapter #2 (Model: A318-050100W-US2): Input: 100-240V~50/60Hz, 0.2A Output: 5.0V⎓1.0A Software Version : 1.0 Hardware Version : 1.0 Remark : The antenna gain provided by the applicant, the verified for the RF conduction test and adapter provided by TOBY test lab. Report No.: TBR-C-202311-0255-4 Page: 2 of 3 TB-RF-074-1.0 Method of Measurement for FCC 1. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 2. Exposure Evaluation: Equation from page 18 of OET Bulletin 65, Edition 97-01 S=(PG)/4πR 2 Where S: power density P: power input to the antenna G: power gain of the antenna in the direction of interest relative to an isotropic radiator. R: distance to the center of radiation of the antenna Simultaneous transmission MPE Considerations According to KDB447498: All transmitters and antennas in the host must be either evaluated for MPE compliance, by measurement or computational modeling, or qualify for the standalone MPE test exclusion in section 7.1.Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modeled or measured field strengths or power density, is ≤ 1.0. This means that: ∑ of MPE ratios ≤ 1.0 Report No.: TBR-C-202311-0255-4 Page: 3 of 3 TB-RF-074-1.0 3. Test Result: Bluetooth MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] GFSK 1 2402 8.875 8±1 9 2.05 20 0.0025 2441 8.325 8±1 9 2.05 20 0.0025 2480 7.115 7±1 8 2.05 20 0.0020 π/4-DQPSK 1 2402 9.410 9±1 10 2.05 20 0.0032 2441 8.077 8±1 9 2.05 20 0.0025 2480 7.090 7±1 8 2.05 20 0.0020 8-DPSK 1 2402 9.269 9±1 10 2.05 20 0.0032 2441 8.139 8±1 9 2.05 20 0.0025 2480 7.149 7±1 8 2.05 20 0.0020 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. 4. Conclusion: As specified in Table 1B of 47 CFR 1.1310- Limits for Maximum Permissible Exposure (MPE), Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Power density (mW/ cm 2 ) 300-1,500 F/1500 1,500-100,000 1.0 For:2402~2480MHz MPE limit S: 1mW/ cm 2 The MPE is calculated as 0.0032mW / cm 2 < limit 1mW / cm 2 . So, RF exposure limit warning or SAR test are not required. The EUT will only be used with a separation of 20cm or greater between the antenna and nearby persons and can therefore be considered a mobile transmitter per 47 CFR2.1091 (b). The RF Exposure Information page from the manual is included here for reference. -----END OF THE REPORT-----