W5EM721RWireless receiver

Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. IMPORTANT NOTE: Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

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FCC ID: W5EM721R Report No.: RF110408C25 Operational Description The transmitter of the EUT (2.4GHz Wireless Receiver) is powered from 5Vdc from host equipment. The antenna is copper trace antenna without antenna connector. For more detailed instruction, please take a look at the user’s manual.

Report No.: RF980904L02A-1 1 Report Format Version 4.0.0 Reference No.: 110408C25 FCC TEST REPORT REPORT NO. : RF980904L02A-1 MODEL NO. : M721R FCC ID: W5EM721R RECEIVED : Sep. 02, 2009 TESTED : Sep. 07 ~ Sep. 23, 2009 ISSUED : Apr. 28, 2011 APPLICANT : Apacer Technology Inc. ADDRESS : 3F, No.83, Kur Wong Rd., Aspire Park, Lung Tan Hsiang, Tao Yuan Hsien, Taiwan ISSUED BY : Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch LAB ADDRESS : No. 47, 14th Ling, Chia Pau Tsuen, Lin Kou Hsiang, Taipei Hsien 244, Taiwan, R.O.C. TEST LOCATION : No. 19, Hwa Ya 2nd Rd, Wen Hwa Tsuen, Kwei Shan Hsiang, Taoyuan Hsien 333, Taiwan, R.O.C. This test report consists of 30 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product, certification, approval or endorsement by TAF or any government agency. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. Report No.: RF980904L02A-1 2 Report Format Version 4.0.0 Reference No.: 110408C25 Table of Contents RELEASE CONTROL RECORD.............................................................................................. 3 1. CERTIFICATION .......................................................................................................... 4 2. SUMMARY OF TEST RESULTS .................................................................................. 5 2.1 MEASUREMENT UNCERTAINTY ............................................................................... 5 3. GENERAL INFORMATION........................................................................................... 6 3.1 GENERAL DESCRIPTION OF EUT............................................................................. 6 3.2 DESCRIPTION OF TEST MODES............................................................................... 7 3.2.1 CONFIGURATION OF SYSTEM UNDER TEST .......................................................... 7 3.2.2 TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL ............................... 8 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS .............................................. 9 3.4 DESCRIPTION OF SUPPORT UNITS ......................................................................... 9 4. TEST TYPES AND RESULTS .................................................................................... 10 4.1 RADIATED EMISSION MEASUREMENT .................................................................. 10 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT................................................ 10 4.1.2 TEST INSTRUMENTS ............................................................................................... 11 4.1.3 TEST PROCEDURES ................................................................................................ 12 4.1.4 DEVIATION FROM TEST STANDARD ...................................................................... 12 4.1.5 TEST SETUP ............................................................................................................. 13 4.1.6 EUT OPERATING CONDITIONS ............................................................................... 13 4.1.7 TEST RESULTS ......................................................................................................... 14 4.2 CONDUCTED EMISSION MEASUREMENT ............................................................. 20 4.2.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT........................................... 20 4.2.2 TEST INSTRUMENTS ............................................................................................... 20 4.2.3 TEST PROCEDURES ................................................................................................ 21 4.2.4 DEVIATION FROM TEST STANDARD ...................................................................... 21 4.2.5 TEST SETUP ............................................................................................................. 22 4.2.6 EUT OPERATING CONDITIONS ............................................................................... 22 4.2.7 TEST RESULTS ......................................................................................................... 23 4.3 BAND EDGES MEASUREMENT ............................................................................... 25 4.3.1 LIMITS OF BAND EDGES MEASUREMENT ............................................................ 25 4.3.2 TEST INSTRUMENTS ............................................................................................... 25 4.3.3 TEST PROCEDURE .................................................................................................. 25 4.3.4 DEVIATION FROM TEST STANDARD ...................................................................... 25 4.3.5 EUT OPERATING CONDITION ................................................................................. 25 4.3.6 TEST RESULTS ......................................................................................................... 26 5. PHOTOGRAPHS OF THE TEST CONFIGURATION................................................. 28 6. INFORMATION ON THE TESTING LABORATORIES ............................................... 29 7. APPENDIX A - MODIFICATIONS RECORDERS FOR ENGINEERING CHANGES TO THE EUT BY THE LAB........................................................................................ 30 Report No.: RF980904L02A-1 3 Report Format Version 4.0.0 Reference No.: 110408C25 RELEASE CONTROL RECORD ISSUE NO. REASON FOR CHANGE DATE ISSUED Original release N/A Apr. 28, 2011 Report No.: RF980904L02A-1 4 Report Format Version 4.0.0 Reference No.: 110408C25 1. CERTIFICATION PRODUCT: Wireless receiver MODEL NO.: M721R BRAND: Apacer APPLICANT: Apacer Technology Inc. TESTED: Sep. 07 ~ Sep. 23, 2009 TEST SAMPLE: ENGINEE…

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1 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST 2 RADIATED EMISSION TEST 3