2AG6QEM-100UHF Wireless Transmitter

Agent Authorization Letter Jan. 11, 2016 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Guangdong Huesent Testing & Inspection Technology Co., Ltd.._ NO.91 Dongguanzhuang Road Tianhe district, Guangzhou,Guangdong,China. Sandy_Yu) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, HONBO AUDIO CHINA LIMITED, TEL: 86-13929092530, Fax: 86-0750-7122510 (Name, telephone and fax number) Beijiao Suburb Industrial Zone, Enping City, Guangdong, China Jan. 11, 2016 (Place, date of issue) (Signature / stamp) Johnny Yue, Manager (Name and title in block letters)

Long Term Confidentiality Request Letter Jan. 11, 2016 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (UHF Wireless Transmitter/ EM-100, #2AG6QEM-100#) To Whom It May Concern: • This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Schematics, Block diagram, Operational Description, BOM) required to be submitted with this application be permanently withheld from public review. These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Please contact me if there is any information you may need. Sincerely, HONBO AUDIO CHINA LIMITED, TEL: 86-13929092530, Fax: 86-0750-7122510 (Name, telephone and fax number) Beijiao Suburb Industrial Zone, Enping City, Guangdong, China Jan. 11, 2016 (Place, date of issue) (Signature / stamp) Johnny Yue, Manager (Name and title in block letters)

Short Term Confidentiality Request Letter Jan. 11, 2016 MET Laboratories, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Short Term Confidentiality Request For(UHF Wireless Transmitter/ EM-100, #2AG6QEM-100#) To Whom It May Concern: In accordance with sections 0.457 and 0.459 of CFR 47, < HONBO AUDIO CHINA LIMITED >. requests short-term Confidentiality of following sections of this application for a period of 45 days after grant is issued. Test setup photos External photos Internal photos User’s manual These documents contain detailed system and equipment descriptions and related information about the product, which < HONBO AUDIO CHINA LIMITED > considers to be proprietary, confidential, and a custom design and otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, < HONBO AUDIO CHINA LIMITED > feels that this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, HONBO AUDIO CHINA LIMITED, TEL: 86-13929092530, Fax: 86-0750-7122510 (Name, telephone and fax number) Beijiao Suburb Industrial Zone, Enping City, Guangdong, China Jan. 11, 2016 (Place, date of issue) (Signature / stamp) Johnny Yue, Manager (Name and title in block letters)

EM-100

LABEL LOCATION

FCC ID Label FCC ID : 2AG6QEM-100 Product Name: UHF Wireless Transmitter Model Name: EM-100

EM-100

RF Exposure evaluation According to 447498 D01 General RF Exposure Guidance v05 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The res ult is rounded to one decimal place for comparison eirp = pt x gt =[ (EXd)^2]/30 where: pt = transmitter output power in watts, gt = numeric gain of the transmitting antenna (unitless), E = electric field strength in V/m, --- 10^[((dBuV/m)/20)]/(10^6) d = measurement distance in meters (m)---3m So pt ={[(EXd)^2]/30} x gt RF Exposure evaluation for KP1TA Field strength = 90.4 dBuV/m @3m&902.25MHz, Antenna min distance to the shell: 3 mm Ant gain =1.5dBi ;so Ant numeric gain= 1.08 E=10^[((90.4)/20)]/(10^6)=0.03311 So pt={ [(0.03311 x3)^2/30]x1.08 }x1000 mW = 0.355 mW So ( 0.355 mW/3mm)x √0.90225 GHz = 0.1124 <3 Then SAR evaluation is not required

Guangdong Huesent Testing & Inspection Technology Co., Ltd. Total 52 pages Lab: Guangdong Huesent Testing & Inspection Technology Co., Ltd Add: No. 91, Dongguanzhuang Road, Guangzhou, Guangdong, China. Http://www.hst.org.cn E-mail:[email protected] Tel: +86-20-28263230 Fax: +86-20-28263237 TEST REPORT Report No. : HST201512-4764-FCC Product description: UHF Wireless Transmitter Model/Type : EM-100, DV-100, EM-110, EM-200, DV-200, ALT-9000, ALB-9000, WB-9000, EX-100, EX-200, EX- 220, EX-300, EX-500, EX-520, ENG CM1T/R, GT-1, GT-2, ST-1, VT-1, BP, MINI-BP, STAGE IN EAR, QUANTUM7, EM-500, EM- 550, EM-600, EM-650, EM-2100, EM-3100, EM-4100 Applicant’s name: HONBO AUDIO CHINA LIMITED TRF No. / TEST REPORT FCC Part 15.249: 2014 FCC ID: 2AG6QEM-100 Report Reference No. ..............: HST201512-4764-FCC Tested by (+ signature) ................: Lemon Fu Review by (+ signature) ..............: Sandy Yu Approved by (+ signature) ............ Robin Peng Date of issue .............................. : Jan. 7, 2016 Total number of pages ............... : 52 Pages Testing Laboratory.................: I-Test Laboratory (Accredited by CNAS, Accredited Number: L4957) FCC- Registration No: 935596 Renewal on April. 19, 2012 Address ...................................... : 1-2 floor, South Block, Building A2 No3 Keyan Lu, Science City, Guangzhou, Guangdong, China Applicant’s name .....................: HONBO AUDIO CHINA LIMITED Address ...................................... : Beijiao Suburb Industrial Zone, Enping City, Guangdong, China Manufacturer’s name ...............: HONBO AUDIO CHINA LIMITED Address ...................................... : Beijiao Suburb Industrial Zone, Enping City, Guangdong, China Test specification..................: Entrusted testing Standard..................................... : FCC Part 15.249: 2014 Non-standard test method.........: N/A Date of Sample Receive ..... ......: Dec. 15, 2015 Date of Test................................ : Dec. 18, 2015 to Jan. 6, 2016 Test item description ................: UHF Wireless Transmitter Trade Mark ................................. : N/A Model/Type reference ................ : EM-100 Ratings ....................................... : DC12-18V/500mA by AC/DC switching adapter Page 3 of 52 Report No. : HST201512-4764-FCC TRF No. / TABLE OF CONTENT TEST REPORT ......................................................................................................................... 1 1 Test Summary .................................................................................................................................. 4 2 General Information.......................................................................................................................... 5 2.1 Client Information .............................................................................................................5 2.2 General Description of E.U.T. .......................................................................................... 5 2.3 Details of E.U.T. ...............................................................................................................5 2.4 Description of Support Units............................................................................................. 5 2.5 Standards Applicable for Testing ..................................................................................... 5 2.6 Test Location .................................................................................................................... 6 2.7 Deviation from Standards ................................................................................................. 6 2.8 Abnormalities from Standard Conditions.......................................................................... 6 3 Test Results ..................................................................................................................................... 7 3.1 Radiation Interference ...................................................................................................... 7 3.1.1 E.U.T. Operation ....................................................................................................... 7 3.1.2 Test Setup ................................................................................................................. 7 3.1.3 Test Procedure.......................................................................................................... 8 3.1.4 Measurement Data.................................................................................................... 9 3.1.5 Radiated outside of the specified frequency bands ................................................ 13 3.1.6 Measurement Data for 15.249.d ............................................................................. 15 3.2 Occupied Bandwidth....................................................................................................... 24 3.2.1 E.U.T. Operation ..................................................................................................... 24 3.2.2 Test Setup ............................................................................................................... 24 3.2.3 Test Procedure........................................................................................................ 24 3.2.4 Measurement Data.................................................................................................. 25 3.3 Conducted Emissions at Mains Terminals 150 kHz to 30 MHz ..................................... 27 3.3.1 EUT Operation ........................................................................................................ 27 3.3.2 Test Configuration ................................................................................................... 28 3.3.3 Test Procedure........................................................................................................ 28 3.3.4 Measurement Data.............................…

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Photographs 1.1 Radiated Emission Test Setup 9kHz - 30MHz 30MHz – 1GHz 1GHz – 9.3GHz 1.2 Conducted Emission Test Setup