18_ZSTLR RFExp

FCC ID: ZZH-ZSTLR

RF Exposure Info

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FCCID_4278225

CERPASS TECHNOLOGY CORP. Report No.: TEFI1904078 FCC RF EXPOSURE REPORT EUT ZigBee Wall Socket Model No. ZSTLR, ZB15R, 264-120 FCC ID: ZZH-ZSTLR WLAN: 2.412GHz ~ 2.462GHz WLAN: 2.422GHz ~ 2.452GHz WLAN: 5.180GHz ~ 5.240GHz Frequency band WLAN: 5.260GHz ~ 5.320GHz (Operating) WLAN: 5.500GHz ~ 5.700GHz BLE: 2.402GHz ~ 2.480GHz Bluetooth: 2.402GHz ~ 2.480GHz Zigbee: 2.405GHz ~ 2.480GHz Portable (<20cm separation) Device category Mobile (>20cm separation) Occupational/Controlled exposure (S = 5mW/cm2) Exposure classification General Population/Uncontrolled exposure (S=1mW/cm2) Single antenna Multiple antennas Antenna diversity Tx diversity Rx diversity Tx/Rx diversity MPE Evaluation* Evaluation applied SAR Evaluation N/A Cerpass Technology Corp. Issued date : May 07, 2019 Page No. : 1 of 2

CERPASS TECHNOLOGY CORP. Report No.: TEFI1904078 TEST RESULTS No non-compliance noted. Calculation 30  P  G E2 Given E & S d 3770 Where E = Field strength in Volts / meter P = Power in Watts G = Numeric antenna gain d = Distance in meters S = Power density in milliwatts / square centimeter Combining equations and re-arranging the terms to express the distance as a function of the remaining variables yields: 30  P  G S 3770d 2 Changing to units of mW and cm, using: P (mW) = P (W) / 1000 and d (cm) = d(m) /100 Yields 30  P / 1000  G PG S  0.0796  2 Equation 1 3770  d / 100 2 d Where d = Distance in cm P = Power in mW G = Numeric antenna gain S = Power density in mW / cm2 Maximum Permissible Exposure Frequency Measured Tuneuptoleran Max.TuneupP Peak output Antenna Gain Antenna gain Power density Limit Test Mode band (MHz) power(dBm) ce(dBm) ower(dBm) power(mW) (dBi) (Numeric ) Distance (cm) (mW/cm2) (mW/cm2) Zigbee 2405-2480 8.78 8.78±1 9.78 9.506047937 1.5 1.41 20 0.002672102 1 Cerpass Technology Corp. Issued date : May 07, 2019 Page No. : 2 of 2


Document Created: 2019-05-11 15:52:16
Document Modified: 2019-05-11 15:52:16
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