RF Exposure Evaluation

FCC ID: OAYARS4C

RF Exposure Info

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FCCID_4314407

D-PL-12076-01-03 BNetzA-CAB-02/21-102 Maximum Permissible Exposure (MPE) & Exposure evaluation Report identification number: 1-8136/19-01-07 Certification numbers and labeling requirements FCC ID OAYARS4C IC number 4135A-ARS4C HVIN (Hardware Version Identification Number) ARS4-C PMN (Product Marketing Name) ARS441 FVIN (Firmware Version Identification Number) RHC_18.03.00 HMN (Host Marketing Name) -/- This 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 authorised: DN: cn=Thomas Vogler, o=CTC advanced cn=Marco Scigliano, o=CTC advanced GmbH, ou=VOG-161125, GmbH, ou=SCI-161125, email=thomas.vogler@ctcadvanced.com, email=marco.scigliano@ctcadvanced.co c=DE m, c=DE Datum: 2019.05.24 14:17:09 +02'00' 2019.05.24 14:14:29 +02'00' Thomas Vogler Marco Scigliano Lab Manager Testing Manager Radio Communications & EMC Radio Communications & EMC © CTC advanced GmbH Page 1 of 3

Report no.: 1-8136/19-01-0 EUT technologies: Technologies: Max. mean EIRP: (AVG)* 76 to 77 GHz ISM 29.3 dBm )* worst case result taken from CTC advanced test report 1-8136/19-01-03 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 PG = Output Power including antenna gain 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 Technologies: SRR Frequency (MHz) 76250 PG Declared max power (EIRP) 29.3 dBm R Distance 20 cm S MPE limit for uncontrolled exposure 1 mW/cm2 Calculated Power density: 0.1694 mW/cm² Calculated percentage of Limit: 16.94% The power density levels for FCC at a distance of 20 cm are below the maximum levels allowed by regulations. © CTC advanced GmbH Page 2 of 3

Report no.: 1-8136/19-01-0 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 Frequency 76250 MHz R Distance 20 cm PG Maximum EIRP 29.3 dBm PG Maximum EIRP 851.1 mW Exclusion Limit from above: 5.00 W Calculated percentage of Limit: 17.02% 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. © CTC advanced GmbH Page 3 of 3


Document Created: 2019-05-24 14:17:09
Document Modified: 2019-05-24 14:17:09
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