MPE-Calculation

FCC ID: MCQ-CCIMX6UL

RF Exposure Info

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FCCID_3422030

Maximum Permissible Exposure (MPE) & Exposure evaluation Report identification number: 1-3116/16-01-37 Certification numbers and labeling requirements FCC ID MCQ-CQIMX6UL IC number 1846A-CCIMX6UL HVIN (Hardware Version Identification Number) ConnectCore 6UL PMN (Product Marketing Name) CC IMX6UL FVIN (Firmware Version Identification Number) 82004060 HMN (Host Marketing Name) -/- This test report is electronically signed and valid without handwriting signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Document authorized: DN: cn=Thomas Vogler, o=CTC advanced GmbH, ou=VOG-161125, email=thomas.vogler@ctcadvanced.com, c=DE Datum: 2017.06.09 11:21:26 +02'00' Thomas Vogler Lab Manager Radio Communications & EMC Page 1 of 3

EUT technologies: Technologies: Max. power conducted: (AVG) Max. antenna gain: Min. pathloss: Bluetooth 2.4 GHz Declared 6 dBm Declared : 4.6 dBi )* -- (if applicable) Bluetooth LE 2.4 GHz Declared 0 dBm Declared : 4.6 dBi )** -- (if applicable) WLAN 2.4 GHz Declared 18 dBm Declared : 4.6 dBi )*** -- (if applicable) WLAN 5 GHz Declared 11 dBm Declared : 5.1 dBi )**** -- (if applicable) )* worst case of 5 PCB or dipole antenna types, see CTC advanced test report 1-3116/16-01-18 section 11.1 )** worst case of 5 PCB or dipole antenna types, see CTC advanced test report 1-3116/16-01-19 section 11.1 )*** worst case of 5 PCB or dipole antenna types, see CTC advanced test report 1-3116/16-01-17 section 11.1 )**** worst case of 3 PCB or dipole antenna types, see CTC advanced test report 1-3116/16-01-20 section 12.2 See also hardware reference manual section ‘FCC-approved antennas’ Prediction of MPE limit at given distance - FCC Equation from page 18 of OET Bulletin 65, Edition 97-01 S = PG / 4π R2 where: S = Power density P = Power input to the antenna G = Antenna gain R = Distance to the center of radiation of the antenna The table below is excerpted from Table 1B of 47 CFR 1.1310 titled “Limits for Maximum Permissible Exposure (MPE), Limits for General Population/Uncontrolled Exposure” Frequency Range (MHz) Power Density (mW/cm2) Averaging Time (minutes) 300 -1500 f/1500 30 1500 - 100000 1.0 30 where f = Frequency (MHz) Prediction: worst case Technology BT/BTLE 2.4 GHz WLAN 2.4 GHz WLAN 5 GHz P Maximum output power 6 dBm 18 dBm 11 dBm R Distance 20 cm 20 cm 20 cm G Antenna gain 4.6 dBi 4.6 dBi 5.1 dBi Yageo Yageo Yageo Antenna ANTX100P001B24553 ANTX100P001B24553 ANTX100P001B24553 S MPE limit for uncontrolled 1.0 mW/cm2 1.0 mW/cm2 1.0 mW/cm2 exposure Calculated Power density: mW/cm² mW/cm² mW/cm² Percentage of limit: 0.23% 3.62% 0.81% (BT + WLAN 2.4 GHz) Collocation scenario 1: 3.85% (BT + WLAN 2.4 GHz) Collocation scenario 2: 1.04% (BT + WLAN 5 GHz) This prediction demonstrates the following: The power density levels for FCC at a distance of 20 cm are below the maximum levels allowed by regulations. Page 2 of 3

Prediction of MPE limit at given distance - IC RSS-102, Issue 5, 2.5.2 RF exposure evaluation is required if the separation distance between the user and/or bystander and the device’s radiating element is greater than 20 cm, except when the device operates as follows: • below 20 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 1 W (adjusted for tune-up tolerance); • at or above 20 MHz and below 48 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 4.49/ƒ0.5W (adjusted for tune-up tolerance), where ƒ is in MHz; • at or above 48 MHz and below 300 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 0.6 W (adjusted for tune-up tolerance); • at or above 300 MHz and below 6 GHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 1.31 x 10-2 ƒ0.6834 W (adjusted for tune-up tolerance), where ƒ is in MHz; • at or above 6 GHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 5 W (adjusted for tune-up tolerance). Prediction: worst case Technology BT/BTLE 2450 WLAN 2450 WLAN 5 GHz P Maximum output power 6 dBm 18 dBm 11 dBm G Antenna gain 4.6 dBi 4.6 dBi 5.1 dBi Yageo Yageo Yageo Antenna ANTX100P001B24553 ANTX100P001B24553 ANTX100P001B24553 MPE limit for S 2675 mW )* 2675 mW )* 4478 mW )** uncontrolled exposure Calculated output 11.5 mW 182 mW 40.7 mW power: Collocation scenario 1: 193.5 mW (BT + WLAN 2.4 GHz) Collocation scenario 2: 52.2 mW (BT + WLAN 5 GHz) Yageo Yageo Yageo Antenna ANTX100P001B24553 ANTX100P001B24553 ANTX100P001B24553 )* lowest limit at 2400 MHz )** lowest limit at 5100 MHz Conclusion: RF exposure evaluation is not required. For applications where minimum distance to radiating element is 20cm Annex C of RSS-102 should be filled out. Page 3 of 3


Document Created: 2017-06-09 11:21:26
Document Modified: 2017-06-09 11:21:26
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