XJ6MT-2022.4GHz FHSS RADIO SYSTEM

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 5.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (current) 4.0 5.0 Sept 16 2014 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 SHANGHAI MERIT TECHNOLOGY CORP. 2015/03/16 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, ___ SHANGHAI MERIT TECHNOLOGY CORP._ _hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): Product： 2.4GHz FHSS RADIO SYSTEM Trade Name： MERITRC Model Name： MT-202 Serial Model： N/A FCC ID： XJ6MT-202 Sincerely, Client’s name / title : Dongcheng Zheng / Artificial Person Contact information / address : 1058 TAOGAN RD., SHESHAN TOWN, SONGJIANG DISTRICT, SHANGHAI,CHINA

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 4.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (current) 3.0 4.0 March-26-2015 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 4.0 SHANGHAI MERIT TECHNOLOGY CORP. 2015-03-16 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: XJ6MT-202 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s name / title : Dongcheng Zheng / Artificial Person Contact information / address : 1058 TAOGAN RD., SHESHAN TOWN, SONGJIANG DISTRICT, SHANGHAI,CHINA

MT-202 SPC 1. (Frequency Range):2407〜2477MHz. 2. (Type of Modulation):FHSS. 3. (Channels):71 4. (Occupied Bandwidth):1MHz. 5. (Channel Separation):1MHz. 6. (RF Output power): <18dBm. 7. (Duty cycle):<15%. 8. (Antenna type):Dipole Antenna.(2dBi) 9. (Data rate):250k/bps Max. 10. (Communication):One-way. 11. Frequency hopping NO.: 40 channels will be used in a select group of channels 12、Power MT-202:DC 6V(1.5V*4cell”AA” Battery). MR-202: DC 7.2V(6Cells Ni-MH Battery). frequency hopping spread spectrum (FHSS) system works by hopping from one frequency channel to another in a unknown sequence out of a select group of channels. The system frequency hops between 40 channels. If it is determined that one of the 40 hopping channels is found to be noisy or poor due to other RF interference, then a new channel is selected from the 40 unused channels, This repeats whenever a noisy or poor channel is detected, . The sequential hops is no any order can follow, is completely random. Pseudorandom Frequency Hopping Sequence Table as below: 63, 53, 69, 06, 22, 04, 20, 36,52, 38, 46, 70, 68, 46, 21, 29, 10, 26, 42, 58, 44, 60, 36, 13 etc. The system receiver have input bandwidths that match the hopping channel bandwidths of their corresponding transmitters and shift frequencies in synchronization with the transmitted signals. 13 、Channel List Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 2407 28 2434 55 2461 02 2408 29 2435 56 2462 03 2409 30 2436 57 2463 04 2410 31 2437 58 2464 05 2411 32 2438 59 2465 06 2412 33 2439 60 2466 Channel: 08, 24, 40, 56, 42, 05, 01, 09, 33, 41, 65, 07 2413 34 2440 61 2467 08 2414 35 2441 62 2468 09 2415 36 2442 63 2469 10 2416 37 2443 64 2470 11 2417 38 2444 65 2471 12 2418 39 2445 66 2472 13 2419 40 2446 67 2473 14 2420 41 2447 68 2474 15 2421 42 2448 69 2475 16 2422 43 2449 70 2476 17 2423 44 2450 71 2477 18 2424 45 2451 -- -- 19 2425 46 2452 -- -- 20 2426 47 2453 -- -- 21 2427 48 2454 -- -- 22 2428 49 2455 -- -- 23 2429 50 2456 -- -- 24 2430 51 2457 -- -- 25 2431 52 2458 -- -- 26 2432 53 2459 -- -- 27 2433 54 2460 -- --

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6

FCC ID LABELING AND LOCATION FCC ID Label 2.4GHz FHSS RADIO SYSTEM Model NO.: MT-202 FCC ID: XJ6MT-202 FCC ID Label Location The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Photo 1 Photo 2 Photo 3 Photo 4 Ant

FCC RADIO TEST REPORT FCC ID:XJ6MT-202 Product： 2.4GHz FHSS RADIO SYSTEM Trade Name： MERITRC Model Name： MT-202 Serial Model： N/A Report No.： NTEK-2015NT02071228F Prepared for SHANGHAI MERIT TECHNOLOGY CORP. 1058 TAOGAN RD., SHESHAN TOWN, SONGJIANG DISTRICT, SHANGHAI,CHINA Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community,Xixiang Street Bao’an District, Shenzhen P.R. China Tel.: +86-0755-61156588 Fax.: +86-0755-61156599 Website:www.ntek.org.cn Page 2 of 51 Report No.: NTEK-2015NT02071228F TEST RESULT CERTIFICATION Applicant’s name ................. : SHANGHAI MERIT TECHNOLOGY CORP. Address ................................. : 1058 TAOGAN RD., SHESHAN TOWN, SONGJIANG DISTRICT, SHANGHAI,CHINA Manufacture's Name ............ : Shanghai Merit Technology Corporation Ltd. Address ................................. : 1058 TAOGAN RD., SHESHAN TOWN, SONGJIANG DISTRICT, SHANGHAI,CHINA Product description Product name ........................... : 2.4GHz FHSS RADIO SYSTEM Model and/or type reference : MT-202 Serial Model： N/A Standards ............................. : FCC Part15.247: 01 Oct. 2014 Test procedure ..............................ANSI C63.4-2009 This device described above has been tested by NTEK, and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of NTEK, this document may be altered or revised by NTEK, personal only, and shall be noted in the revision of the document. Date of Test ............................................ : Date (s) of performance of tests ............. : 07 Feb. 2015 ~04 Mar. 2015 Date of Issue ........................................... : 04 Mar. 2015 Test Result ............................................... : Pass Testing Engineer : (Kyle Xu) Technical Manager : (Brown Lu) Authorized Signatory : (Bill Yao) Page 3 of 51 Report No.: NTEK-2015NT02071228F Table of Contents Page 1 . SUMMARY OF TEST RESULTS 5 1.1 TEST FACILITY 6 1.2 MEASUREMENT UNCERTAINTY 6 2 . GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF EUT 7 2.2 DESCRIPTION OF TEST MODES 9 2.3 TABLE OF PARAMETERS OF TEXT SOFTWARE SETTING 9 2.4 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 10 2.5 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 11 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 12 3 . EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 13 3.1.2 TEST PROCEDURE 14 3.1.3 DEVIATION FROM TEST STANDARD 14 3.1.4 TEST SETUP 14 3.1.5 EUT OPERATING CONDITIONS 14 3.1.6 TEST RESULTS 15 3.2 RADIATED EMISSION MEASUREMENT 16 3.2.1 RADIATED EMISSION LIMITS 16 3.2.2 TEST PROCEDURE 17 3.2.3 DEVIATION FROM TEST STANDARD 17 3.2.4 TEST SETUP 18 3.2.5 EUT OPERATING CONDITIONS 19 3.2.6 TEST RESULTS (BELOW 30 MHZ) 20 3.2.7 TEST RESULTS (BETWEEN 30M – 1000 MHZ) 21 3.2.8 TEST RESULTS (ABOVE 1000 MHZ) 23 4 . NUMBER OF HOPPING CHANNEL 24 4.1 APPLIED PROCEDURES / LIMIT 24 4.1.1 TEST PROCEDURE 24 4.1.2 DEVIATION FROM STANDARD 24 4.1.3 TEST SETUP 24 4.1.4 EUT OPERATION CONDITIONS 24 4.1.5 TEST RESULTS 25 5 . AVERAGE TIME OF OCCUPANCY 26 5.1 APPLIED PROCEDURES / LIMIT 26 Page 4 of 51 Report No.: NTEK-2015NT02071228F Table of Contents Page 5.1.1 TEST PROCEDURE 26 5.1.2 DEVIATION FROM STANDARD 26 5.1.3 TEST SETUP 27 5.1.4 EUT OPERATION CONDITIONS 27 5.1.5 TEST RESULTS 28 6 . HOPPING CHANNEL SEPARATION MEASUREMENT 36 6.1 APPLIED PROCEDURES / LIMIT 36 6.1.1 TEST PROCEDURE 36 6.1.2 DEVIATION FROM STANDARD 36 6.1.3 TEST SETUP 36 6.1.4 EUT OPERATION CONDITIONS 36 6.1.5 TEST RESULTS 37 7 . BANDWIDTH TEST 39 7.1 APPLIED PROCEDURES / LIMIT 39 7.1.1 TEST PROCEDURE 39 7.1.2 DEVIATION FROM STANDARD 39 7.1.3 TEST SETUP 39 7.1.4 EUT OPERATION CONDITIONS 39 7.1.5 TEST RESULTS 40 8 . PEAK OUTPUT POWER TEST 42 8.1 APPLIED PROCEDURES / LIMIT 42 8.1.1 TEST PROCEDURE 42 8.1.2 DEVIATION FROM STANDARD 42 8.1.3 TEST SETUP 42 8.1.4 EUT OPERATION CONDITIONS 42 8.1.5 TEST RESULTS 43 9 . 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE 45 9.1 DEVIATION FROM STANDARD 45 9.2 TEST SETUP 45 9.3 EUT OPERATION CONDITIONS 45 9.4 TEST RESULTS 46 10 . ANTENNA REQUIREMENT 50 10.1 STANDARD REQUIREMENT 50 10.2 EUT ANTENNA 50 11 . EUT TEST PHOTO 51 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Page 5 of 51 Report No.: NTEK-2015NT02071228F 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.247(a)(1) Hopping Channel Separation PASS 15.247(b)(1) Peak Output Power PASS 15.247(c) Radiated Spurious Emission PASS 15.247(a)(iii) Number of Hopping Frequency PASS 15.247(a)(iii) Dwell Time PASS 15.247(a)(1) Bandwidth PASS 15.205 Band Edge Emission PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report Page 6 of 51 Report No.: NTEK-2015NT02071228F 1.1 TEST FACILITY NTEK Testing Technology Co., Ltd Add. : 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street, Bao’an District, Shenzhen P.R. China. FCC Registration No.:238937; IC Registration No.:9270A-1 CNAS Registration No.:L5516 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±1.38dB 2 RF power,conducted ±0.16dB 3 Spurious emissions,conducted ±0.21dB 4 All emissions,radiated(<1G) ±4.68dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% Page 7 of 51 Report No.: NTEK-2015NT02071228F 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Equipment 2.4GHz FHSS RADIO SYSTEM Trade Name MERITRC Model Name MT-202 Serial Model N/A Model Difference N/A Product Description The EUT is a…

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