RF Exposure Info

FCC ID: RRK-C2H

RF Exposure Info

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FCCID_1746281

                                     RF EXPOSURE REPORT


                                         REPORT NO.: SA120531E04

                                          MODEL NO.: C2H

                                                    FCC ID: RRK-C2H

                                             RECEIVED: May 31, 2012

                                                  TESTED: June 15, 2012

                                                   ISSUED: July 12, 2012



                                           APPLICANT: Alpha Networks Inc.

                                              ADDRESS: No.8 Li-shing 7th Rd., Science-based
                                                       Industrial Park, Hsinchu, Taiwan, R.O.C.



                                             ISSUED BY: Bureau Veritas Consumer Products Services
                                                        (H.K.) Ltd., Taoyuan Branch Hsin Chu Laboratory

                                     LAB ADDRESS: No. 81-1, Lu Liao Keng, 9th Ling,Wu Lung Tsuen,
                                                  Chiung Lin Hsiang, Hsin Chu Hsien 307, Taiwan,
                                                  R.O.C.

  This report should not be used by the client to claim
  product certification, approval, or endorsement by any
  government agencies.




This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is
permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set
forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or
identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the
information that you provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our
negligence, provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue
within the prescribed time shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the
report contents. Unless specific mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or
non-compliance to the specification

 Report No.: SA120531E04                                                     1 of 6                                       Report Format Version 5.0.0
 Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011


                                   TABLE OF CONTENTS
RELEASE CONTROL RECORD ..................................................................................... 3
1. CERTIFICATION ...................................................................................................... 4
2. RF EXPOSURE LIMIT.............................................................................................. 5
3. MPE CALCULATION FORMULA ............................................................................. 5
4. CLASSIFICATION .................................................................................................... 5
5. CALCULATION RESULT OF MAXIMUM CONDUCTED POWER ........................... 6




Report No.: SA120531E04                                    2 of 6                           Report Format Version 5.0.0
Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011


                              RELEASE CONTROL RECORD

 ISSUE NO.                 REASON FOR CHANGE                               DATE ISSUED
 SA120531E04               Original release                                July 12, 2012




Report No.: SA120531E04                                    3 of 6      Report Format Version 5.0.0
Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011


1. CERTIFICATION

                PRODUCT:             WD TV Play ™

          BRAND NAME:                WD

             MODEL NO.:              C2H

         TEST SAMPLE:                ENGINEERING SAMPLE

             APPLICANT:              Alpha Networks Inc.

         TESTED DATE:                June 15, 2012

            STANDARDS:               FCC Part 2 (Section 2.1091)

                                     FCC OET Bulletin 65, Supplement C (01-01)

                                     IEEE C95.1


The above equipment (Model: C2H) has been tested by Bureau Veritas Consumer
Products Services (H.K.) Ltd., Taoyuan Branch, and found compliance with the
requirement of the above standards. The test record, data evaluation & Equipment
Under Test (EUT) configurations represented herein are true and accurate accounts of
the measurements of the sample’s EMC characteristics under the conditions specified
in this report.




 PREPARED BY                :                                          ,   DATE:   July 12, 2012
                                    ( Lori Chung, Specialist )


 APPROVED BY                :                                          ,   DATE:   July 12, 2012
                                ( May Chen, Deputy Manager )




Report No.: SA120531E04                                    4 of 6                  Report Format Version 5.0.0
Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011


2. RF EXPOSURE LIMIT

LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE)
     FREQUENCY            ELECTRIC FIELD MAGNETIC FIELD POWER DENSITY                 AVERAGE TIME
     RANGE (MHz)          STRENGTH (V/m) STRENGTH (A/m)   (mW/cm2)                      (minutes)
                  LIMITS FOR GENERAL POPULATION / UNCONTROLLED EXPOSURE
      300-1500                     …                        …          F/1500                  30
     1500-100,000                  …                        …           1.0                    30

F = Frequency in MHz



3. MPE CALCULATION 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


4.    CLASSIFICATION
The antenna of this product, under normal use condition, is at least 20cm away from the
body of the user. So, this device is classified as Mobile Device.




Report No.: SA120531E04                                    5 of 6               Report Format Version 5.0.0
Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011


5.    CALCULATION RESULT OF MAXIMUM CONDUCTED POWER

For WLAN: 15.247(2.4GHz)

 FREQUENCY            CONDUCTED             ANTENNA                          POWER
                                                                DISTANCE                        LIMIT
    BAND                POWER                 GAIN                           DENSITY
                                                                   (cm)                       (mW/cm2)
    (MHz)                (mW)                 (dBi)                         (mW/ cm2)
     2412-2462            618.715               2.70                   20    0.22920              1.00



---END---




Report No.: SA120531E04                                    6 of 6                 Report Format Version 5.0.0
Cancels and replaces the report No.: SA110718E01 dated Aug. 19, 2011



Document Created: 2012-07-12 16:32:58
Document Modified: 2012-07-12 16:32:58

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