03 FCC RF Exposure_DTS

FCC ID: CKECMN851A

RF Exposure Info

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FCCID_4134448

                                     RF Exposure / MPE Calculation

             No.                           :     12517639S-A
             Applicant                     :     Japan Radio Co., Ltd.
             Type of Equipment             :     Wireless LAN Module
             Model No.                     :     CMN-851A
             FCC ID                        :     CKECMN851A


Japan Radio Co., Ltd. declares that Model: CMN-851A complies with FCC radiation exposure
requirement specified in the FCC Rule 2.1091 (for mobile).

RF Exposure Calculations:

The following information provides the minimum separation distance for the highest gain antenna
provided with the “CMN-851A“ as calculated from (B) Limits for General Population /
Uncontrolled Exposure of TABLE 1- LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE
(MPE) of §1.1310 Radiofrequency radiation exposure limits.

This calculation is based on the highest EIRP possible from the system,
considering maximum power and antenna gain, and considering a 1mW/cm^2 uncontrolled
exposure limit. The Friis formula used was:

                   PG
           S 
                  4  r2
Where
    P=         323.81 mW (Maximum peak output power)
   G=           2.463 Numerical Antenna gain; equal to 3.9145dBi
    r=             20 cm (Separation distance)


   Power Density Result S = 0.15866 mW/cm2
Even taking into account the tolerance, this device can be satisfied with the limits.




UL Japan, Inc.
Shonan EMC Lab.
1-22-3 Megumigaoka, Hiratsuka-shi, Kanagawa-ken, 259-1220 JAPAN
Telephone : +81 463 50 6400
Facsimile : +81 463 50 6401



Document Created: 2018-12-10 17:15:00
Document Modified: 2018-12-10 17:15:00

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