18_IoT-3399E RFExp r2

FCC ID: 2AITM-IOT-3399E

RF Exposure Info

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FCCID_4113897

Dongguan Nore Testing Center Co., Ltd.
Report No.: NTC1807420FV-01
FCC ID: 2AITM-IOT-3399E

RF EXPOSURE EVALUATION

EUT Specification
EUT IoT-3399E
Frequency band WLAN: 2.412GHz ~ 2.462GHz
(Operating) WLAN: 5.18GHz ~ 5.24GHz
WLAN: 5.50GHz ~ 5.70GHz
WLAN: 5.745GHz ~ 5825GHz
Others(Bluetooth: 2.402GHz ~ 2.480GHz)
Device category Portable (<20cm separation)
Mobile (>20cm separation)
Others ___
Antenna diversity Single antenna
Multiple antennas
Tx diversity
Rx diversity
Tx/Rx diversity
Max. output power 12.38 dBm (17.2982mW) for 2.4G WIFI
9.08 dBm (8.0910mW) for 5G WIFI Band1
9.85 dBm (9.6605mW) for 5G WIFI Band4
1.94 dBm (1.5631mW) for BLE
5.745 dBm (3.7540mW) for BT(BDR+EDR)
Antenna gain 3.5 dBi for BT & WIFI
Evaluation applied MPE Evaluation
SAR Evaluation

Note: BT function and WIFI(2.4G,5G) function can work simultaneously, but 2.4G WIFI and 5G
WIFI can’t work simultaneously

Limits for Maximum Permissible Exposure (MPE)

Frequency Electric Field Magnetic Field Power Density(mW/cm2)
Range(MHz) Strength(V/m) Strength(A/m)
300-1500 -- -- F/1500
1500-100000 -- -- 1

$Dongguan Nore Testing Center Co., Ltd. Report No.: NTC1807420FV-01 FCC ID: 2AITM-IOT-3399E Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where Pd= Power density in mW/cm2 Pout=output power to antenna in Mw G= gain of antenna in linear scale Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Measurement Result Channel Gain Channel Max Output Tolerance Max Power Power Frequency power (dBm) Tune-UP density at density (MHz) power 20cm Limits (mW) (mW/ cm2 ) (mW/cm2 ) Test Mode: BT(BLE) Low 3.5 2402 0.63 ±0.5 1.2972 0.0006 1 Middle 3.5 2440 1.26 ±0.5 1.4997 0.0007 1 High 3.5 2480 1.94 ±0.5 1.7539 0.0008 1 Test Mode: BT(BDE+EDR)-GFSK Low 3.5 2402 3.701 ±0.5 2.6309 0.0012 1 Middle 3.5 2441 5.275 ±0.5 3.7801 0.0017 1 High 3.5 2480 5.372 ±0.5 3.8654 0.0017 1 Test Mode: BT( BDE+EDR )-π/4-DQPSK Low 3.5 2402 3.797 ±0.5 2.6897 0.0012 1 Middle 3.5 2441 5.288 ±0.5 3.7914 0.0017 1 High 3.5 2480 5.241 ±0.5 3.7506 0.0017 1 Test Mode: BT( BDE+EDR )-8DPSK Low 3.5 2402 4.270 ±0.5 2.9992 0.0013 1 Middle 3.5 2441 5.745 ±0.5 4.2121 0.0019 1 High 3.5 2480 5.685 ±0.5 4.1543 0.0019 1$

Dongguan Nore Testing Center Co., Ltd.
Report No.: NTC1807420FV-01
FCC ID: 2AITM-IOT-3399E

Channel Gain Channel Max Output Tolerance Max Power Power
Frequency power (dBm) Tune-UP density at density
(MHz) power 20cm Limits
(mW) (mW/ cm2 ) (mW/cm2 )
2.4G WIFI
Test Mode: 802.11b
Low 3.5 2412 7.49 ±0.5 6.2951 0.0028 1
Middle 3.5 2437 7.90 ±0.5 6.9183 0.0031 1
High 3.5 2462 8.15 ±0.5 7.3282 0.0033 1
Test Mode: 802.11g
Low 3.5 2412 8.57 ±0.5 8.0724 0.0036 1
Middle 3.5 2437 9.00 ±0.5 8.9125 0.0040 1
High 3.5 2462 9.41 ±0.5 9.7949 0.0044 1
Test Mode: 802.11n(HT20)
Low 3.5 2412 11.58 ±0.5 16.1436 0.0072 1
Middle 3.5 2437 12.25 ±0.5 18.8365 0.0084 1
High 3.5 2462 12.38 ±0.5 19.4089 0.0086 1

Channel Gain Channel Max Output Tolerance Max Power Power
Frequency power (dBm) Tune-UP density at density
(MHz) power 20cm Limits
(mW) (mW/ cm2 ) (mW/cm2 )
5G WIFI Band1
Test Mode: 802.11a
Low 3.5 5180 8.36 ±0.5 7.6913 0.0034 1
Middle 3.5 5200 8.94 ±0.5 8.7902 0.0039 1
High 3.5 5240 9.08 ±0.5 9.0782 0.0040 1
Test Mode: 802.11n(HT20)
Low 3.5 5180 7.26 ±0.5 5.9704 0.0027 1
Middle 3.5 5200 7.99 ±0.5 7.0632 0.0031 1
High 3.5 5240 8.33 ±0.5 7.6384 0.0034 1
Test Mode: 802.11ac(VHT20)
Low 3.5 5180 8.52 ±0.5 7.9799 0.0036 1
Middle 3.5 5200 8.25 ±0.5 7.4989 0.0033 1
High 3.5 5240 8.69 ±0.5 8.2985 0.0037 1
Test Mode: 802.11n(HT40)
Low 3.5 5190 7.58 ±0.5 6.4269 0.0029 1
High 3.5 5230 9.01 ±0.5 8.9331 0.0040 1
Test Mode: 802.11ac(VHT40)
Low 3.5 5190 7.58 ±0.5 6.4269 0.0029 1
High 3.5 5230 9.01 ±0.5 8.9331 0.0040 1
Test Mode: 802.11ac(VHT80)
Low 3.5 5210 8.46 ±0.5 7.8705 0.0035 1

Document Created: 2018-12-20 13:46:28
Document Modified: 2018-12-20 13:46:28