MPE

FCC ID: 2AH4HATD310S

Parts List/Tune Up Info

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FCCID_4315259

FCC MPE CALCULATION (FCC ID: 2AH4HATD310S) RF Exposure Requirements: 47 CFR §1.1307(b) RF Radiation Exposure Limits: 47 CFR §1.1310 RF Radiation Exposure Guidelines: FCC OST/OET Bulletin Number 65 EUT Frequency Band: BLE: 2402-2480MHz WCDMA Band II: 1852.4 – 1907.6 MHz WCDMA Band IV: 1712.4 – 1752.6 MHz WCDMA Band V: 826.4 – 846.6 MHz LTE Cat-1 Band 2: 1850.7-1909.3MHz LTE Cat-1 Band 4: 1710.7-1754.3MHz LTE Cat-1 Band 5: 824.7-848.3MHz LTE Cat-1 Band 12: 699.7-715.3MHz LTE Cat-1 Band 13: 779.5-784.5MHz Limits for General Population/Uncontrolled Exposure in the band of: 300 - 1500 MHz, Power Density Limit: f/1500 mW/cm2 Limits for General Population/Uncontrolled Exposure in the band of: 1500 - 100,000 MHz Power Density Limit: 1 mW / cm2 Equation: S = PG / 4R2 or R = √PG / 4S Where, S = Power Density P = Power Input to Antenna G = Antenna Gain R = distance to the center of radiated antenna ____________________________________________________________________________________________________________ Prediction distance 20 cm EUT: ATD310 Max Conducted Antenna Gain Separation Power Density MPE Limit (mW/ Radio Frequency (MHz) Output Power (dBi) distance (cm) (mW/ cm2) cm2) (dBm) BLE 2400-2480 3.35 -2.5 20 0.0002 1 WCDMA Band II 1852.4 – 1907.6 24.00 4 20 0.1255 1 WCDMA Band IV 1712.4 – 1752.6 24.00 4 20 0.1255 1 WCDMA Band V 826.4 – 846.6 24.00 4 20 0.1255 0.551 LTE Band2 1850.7-1909.3 24.50 4 20 0.1408 1 LTE Band4 1710.7-1754.3 24.50 4 20 0.1408 1 LTE Band5 824.7-848.3 24.50 4 20 0.1408 0.550 LTE Band12 699.7-715.3 24.50 4 20 0.1408 0.466 LTE Band13 779.5-784.5 24.50 4 20 0.1408 0.518 The above results show that the device complies with the MPE requirement. The BLE is able to transmit simultaneously with LTE. The ratio = 0.0002/1 + 0.1408/0.466 = 0.302 < 1.0 The above results show that the device complies with the simultaneous transmission MPE requirement. Completed By: David Zhang Vista Laboratories, Inc. 1261 Puerta Del Sol, San Clemente, CA 92673 Date: May 23rd, 2019

ISED RF Exposure Evaluation (ISED ID: 21385-ATD310S) RF Exposure Requirements: RSS-102 Issue 5: March 2015 RF Radiation Exposure Limits: RSS-102 Issue 5: March 2015 RF Radiation Exposure Guidelines: RSS-102 Issue 5: March 2015 EUT Frequency Band: BLE: 2402-2480MHz WCDMA Band II: 1852.4 – 1907.6 MHz WCDMA Band IV: 1712.4 – 1752.6 MHz WCDMA Band V: 826.4 – 846.6 MHz LTE Cat-1 Band 2: 1850.7-1909.3MHz LTE Cat-1 Band 4: 1710.7-1754.3MHz LTE Cat-1 Band 5: 824.7-848.3MHz LTE Cat-1 Band 12: 699.7-715.3MHz LTE Cat-1 Band 13: 779.5-784.5MHz Limits for General Population/Uncontrolled Exposure in the band of: 300 - 6,000 MHz Exemption limit for Routine Evaluation: 1.31 x 10-2 ƒ0.6834 W EUT: ATD310 Max Conducted Evaluation Antenna Gain Max E.I.R.P Radio Frequency (MHz) Output Power Max E.I.R.P (W) Exemption limit (dBi) (dBm) (dBm) (W) BLE 2400-2480 3.35 2.0 5.35 0.0034 2.67 WCDMA Band II 1852.4 – 1907.6 24.00 0.6 24.6 0.288 2.24 WCDMA Band IV 1712.4 – 1752.6 24.00 0.6 24.6 0.288 2.12 WCDMA Band V 826.4 – 846.6 24.00 2.4 26.4 0.437 1.29 LTE Band2 1850.7-1909.3 24.50 0.6 25.1 0.324 2.24 LTE Band4 1710.7-1754.3 24.50 0.6 25.1 0.324 2.12 LTE Band5 824.7-848.3 24.50 2.4 26.9 0.490 1.29 LTE Band12 699.7-715.3 24.50 2.4 26.9 0.490 1.15 LTE Band13 779.5-784.5 24.50 2.4 26.9 0.490 1.24 The above results show that the E.I.R.P of this device is below the exemption limit for Routine Evaluation. Completed By: David Zhang Vista Laboratories, Inc. 1261 Puerta Del Sol, San Clemente, CA 92673 Date: May 23rd, 2019


Document Created: 2019-06-07 01:13:05
Document Modified: 2019-06-07 01:13:05
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