5B11S8_RF Exposure Evaluation

FCC ID: 2AEUPBHASB001

RF Exposure Info

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FCCID_4233768

FCC ID: 2AEUPBHASB001 ISED: 20271-BHASB001 FCC&IC RF Exposure Evaluation 1. Product Information FCC ID: 2AEUPBHASB001 ISED: 20271-BHASB001 Product name Spotlight Model number 5B11S8 Power supply DC 6V BLE Modulation Type LoRa Antenna Type PCB Antenna Antenna Gain -1.3 dBi (For BT); -3.18 dBi (For LoRa) Bluetooth Operation frequency 2402MHz-2480MHz Lora Operation frequency 902.5MHz – 927MHz Exposure category General population/uncontrolled environment EUT Type Production Unit Device Type Fix Device ________________________________________________________________________ ___ Page 1 of 4

FCC ID: 2AEUPBHASB001 ISED: 20271-BHASB001 2. Evaluation method and Limit According to ANSI/IEEE C95.1-1992, the Criteria Listed in Table 1 shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in §1.1310. Frequency range Electric field strength Magnetic field strength Power density Averaging time (MHz) (V/m) (A/m) (mW/cm2) (minutes) (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *100 6 3.0-30 1842/f 4.89/f *900/f2 6 30-300 61.4 0.163 1.0 6 300-1,500 f/300 6 1,500-100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *100 30 1.34-30 824/f 2.19/f *180/f2 30 30-300 27.5 0.073 0.2 30 300-1,500 f/1500 30 1,500-100,000 1.0 30 f = frequency in MHz * = Plane-wave equivalent power density The MPE was calculated at 20 cm to show compliance with the power density limit. The following formula was used to calculate the Power Density: Where: S = Power Density P = Output Power at Antenna Terminals G = Gain of Transmit Antenna ( linear gain ) R = Distance from Transmitting Antenna ________________________________________________________________________ ___ Page 2 of 4

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FCC ID: 2AEUPBHASB001 ISED: 20271-BHASB001 5. Manufacturing tolerance Bluetooth GFSK (Peak) Channel Channel 0 Channel 19 Channel 39 Target (dBm) -8 -8 -8 Tolerance ±(dB) 1 1 1 Lora Channel Low Middle High Target (dBm) 15 15 15 Tolerance ±(dB) 1 1 1 6. Evaluation Results FCC: Power Maximum Antenna Maximum Maximum Maximum Average Density at Limit Frequency Output Band Gain Power EIRP EIRP EIRP 20cm (mW/cm (MHz) Power (dBi) (dBm) (dBm) (W) (mW) (mW/cm^ ^2) Limit (W) 2) Bluetooth 2402 -1.3 -7 -8.30 0.0001 1.000 0.100 0.00002 1.000 LoRa 902.5 -3.18 16 12.820 0.019 1.000 2.410 0.00048 0.602 Stimulation Trasmission ∑(Power Density / Limit) Power Density / Band Frequency Of Limit LoRa + Bluetooth Bluetooth 2402 0.00002 0.00082 Lora 902.5 0.00080 Remark: 1. Output power including tune up tolerance; 2. ∑(Power Density / Limit): This is a summation of [(power density for each transmitter/antenna include in the simultan eous transmission)/(corresponding MPE limit )], for LoRa + Bluetooth. 3. Considering the LoRa /Bluetooth transmitter of the EIRP performance listed in the table above,the aggregated (power density / limit) is smaller than 1, and MPE of 2 collocated transmitters is compliant 7. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 and RSS-102 Issue 5 for the uncontrolled RF Exposure. .......................THE END OF REPORT......................... ________________________________________________________________________ ___ Page 4 of 4


Document Created: 2019-04-07 16:12:43
Document Modified: 2019-04-07 16:12:43
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