RF Exposure Info

FCC ID: MCQ-S2CTH

RF Exposure Info

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FCC Part 15, Subpart C, Section 15.247 – DTS                                                                                      Page 57 of 60
XBEE S2C TH, Model S2CTH                                                                                                    FCC ID: MCQ-S2CTH


5.3.     RF EXPOSURE REQUIRMENTS [§§ 15.247(e)(i), 1.1310 & 2.1091]
The criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to
radio-frequency (RF) radiation.

                                                           FCC 47 CFR § 1.1310:




5.3.1.    Method of Measurements
Refer to Sections 1.1310, 2.1091
In order to demonstrate compliance with MPE requirements (see Section 2.1091), the following information is
typically needed:
     (1) Calculation that estimates the minimum separation distance (20 cm or more) between an antenna and
         persons required to satisfy power density limits defined for free space.
     (2) Antenna installation and device operating instructions for installers (professional/unskilled users), and the
         parties responsible for ensuring compliance with the RF exposure requirement
     (3) Any caution statements and/or warning labels that are necessary in order to comply with the exposure
         limits
     (4) Any other RF exposure related issues that may affect MPE compliance




ULTRATECH GROUP OF LABS                                                                                             File #: 16DIGI112_FCC15C247
3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4                                                                              April 08, 2016
Tel. #: 905-829-1570, Fax. #: 905-829-8050, Email: vic@ultratech-labs.com, Website: http://www.ultratech-labs.com

All test results contained in this engineering test report are traceable to National Institute of Standards and Technology (NIST)


FCC Part 15, Subpart C, Section 15.247 – DTS                                                                                      Page 58 of 60
XBEE S2C TH, Model S2CTH                                                                                                    FCC ID: MCQ-S2CTH




Calculation Method of RF Safety Distance:

                   P G        EIRP
           S               
                 4   r 2
                              4   r 2
          Where:               P: power input to the antenna in mW
                               EIRP: Equivalent (effective) isotropic radiated power
                               S: power density mW/cm2
                               G: numeric gain of antenna relative to isotropic radiator
                               r: distance to centre of radiation in cm



                    PG            EIRP
           r             
                   4  S         4  S


5.3.2.    RF Evaluation

                                   Evaluation of RF Exposure Compliance Requirements
               RF Exposure Requirements                                                 Compliance with FCC Rules
 Minimum calculated separation distance between                       Manufacturer’ instruction for separation distance
 antenna and persons required: *5.62 cm                               between antenna and persons required: 20 cm

 Antenna installation and device operating                            Antenna installation and device operating instructions
 instructions for installers (professional/unskilled                  shall be provided to installers to maintain and ensure
 users), and the parties responsible for ensuring                     compliance with RF exposure requirements.
 compliance with the RF exposure requirement


 Caution statements and/or warning labels that are                    Refer to user’s manual for RF exposure Information.
 necessary in order to comply with the exposure
 limits
 Any other RF exposure related issues that may                        None
 affect MPE compliance

 *The minimum separation distance between the antenna and bodies of users are calculated using the following formula:

                     P G           EIRP
            r               
                    4   S       4   S

 S = 1.0 mW/cm2
                   (26/10)
 EIRP = 26 dBm = 10        mW = 398.1 mW (Worst Case)

                                            EIRP          398.1
  (Minimum Safe Distance, r) =                                      5.62cm
                                           4   S   4    (1.0)




ULTRATECH GROUP OF LABS                                                                                             File #: 16DIGI112_FCC15C247
3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4                                                                              April 08, 2016
Tel. #: 905-829-1570, Fax. #: 905-829-8050, Email: vic@ultratech-labs.com, Website: http://www.ultratech-labs.com

All test results contained in this engineering test report are traceable to National Institute of Standards and Technology (NIST)



Document Created: 2016-04-11 16:05:41
Document Modified: 2016-04-11 16:05:41

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