B5DH227CEV Electro-Voice HT-300 Handheld

Page 1 of 1 Test Lab Date of Test: Attestation Letter Jun. 23 – Jul. 20, 2015 Applicant Name: Bosch Security Systems, Inc. FCC ID: B5DH227C Name of Engineer Performing Test: Silin Chen , Engineer Statement of Compliance: (Test Lab) declares that this Unit has been tested in accordance with the test method identified in this test report and that we observed it being tested. It also declares that the Unit complies with the relevant limits. All instrumentation and accessories used to test this unit for compliance to the indicated test method are calibrated regularly in accordance with ISO 17025:2005 requirements by laboratories accredited by A2LA, NVLAP, or ACLAS for the measurement parameters. The measurements were made at: Shenzhen SEM.Test Technology Co., Ltd. 1/F, Building A, Hongwei Industrial Park, Liuxian 2nd Road, Bao'an District, Shenzhen, P.R.C.（518101） Test Lab Witness‐ Signature of Test Lab Witness: Full Name, Typed: Silin Chen, Engineer Title of Witness: Engineer Email Address: [email protected] Phone No.: +86‐755‐33663308

Bosch Security Systems, Inc. Date: Jul 16, 2015 Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: B5DH227C. Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematics Block Diagram Operational Description Schematics.pdf BlockDiagram.pdf Operational Description.pdf 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 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, Bosch Security Systems, Inc. James Andersen / Principal Electrical Engineer

Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Photographs – Const ructional Details EUT –Model HT-300C External Photos Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn

FCC/IC Label Location for model: HT-300C (where C is Frequency Band) The Label must not be a stick-on paper. The Label on these products must be permanently affixed to the product and readily visible at the time of purchase and must last the expected lifetime of the equipment not be readily detachable.

Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn EUT –Model HT-300C Internal Photos ANT Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn ======End of Report======

Tune up Procedure Model: HT-300C (where C is Frequency Band) Modulation: FM 516.5MHz-531.5MHz Channel Max output power Frequency tolerance 516.5MHz 8±1 dBm ±10KHz 523.7MHz 8±1 dBm ±10KHz 531.5MHz 8±1 dBm ±10KHz

Material No.Material despriptionQTY (pc)Position 1819000095SMD Resistor 10K 06034R1, R2, R8, R39 1819000082SMD Resistor 220R 06031R4 1819000105SMD Resistor 150K 06031R5 1819000104SMD Resistor 120K 06031R6 1819000102SMD Resistor 56K 06031R7 1819000086SMD Resistor 1K 06031R33 1819000062Chip ceramic capacitor 104 06033C2, C3, C94 1819000053Chip ceramic capacitor 33P 06031C9 1819000065 Chip ceramic capacitor 105(即:1UF/25V 0805) 0805 1C10 1819000060Chip ceramic capacitor 103 08051C11 1819000135Chip ceramic capacitor 22uF 12061C1 1819000132Chip ceramic capacitor 10uF16v 12061C6 1819000137Chip tantalum capacitor 47uF/10V 1210 2C4, C5 1819000130 Chip tantalum capacitor 100U/10V(B） T520B107M006AT E040 1210 1C7 1819000168 EV SMD LED Orange(12-21UYOC/S530- A2/TR8) LED-1206R 2D1, D2 1819000169EV SMD LED FPC-12 LED-1206R2D3, D4 1819000115SMD Diode SK32L SOD-1061D5 1819000184 Power Inductance 10uH INDUCTOR- 5.7_5.7 2L1, L2 1819000120 SMT Transistor BC817W(CR 2SC4097T106R) SOT-323 2Q1, Q2 1819000030 SMD Field-Effect Tube APM2300AB SOT- 23 1Q3 1819000018SMT IC LN1131P 332VR SOT-231U1 1819000010SMT IC APW7077/A SOT-23-51U2 1819000003 HT-300C Power board 11202032 V4.01 18190001451*5P Single Plastic Female Header5J1, J2, J3, J4, J5 1819000004HT-300C Plain board 11202032 V4.01 1811400312SMT Crystal 8MHz Osc-49S1X2 1819000014SMT IC HT1621B(方) TQFP-48N1U4 1819000019SMT IC MB15E03SL SSOP-161U6 1819000020SMT IC NJM2730 SOT-23-54U2, U3, U7, U8 1819000023SMT IC PIC16F886-I/SS SSOP-281U5 1819000025SMT IC UTC575 SSOP-201U1 1819000031 SMD Field-Effect Tube APM2301AB SOT- 23 1Q4 1819000037Chip ceramic capacitor 1P 06031C37 1819000038Chip ceramic capacitor 1.5P 06031C59 1819000040Chip ceramic capacitor 3P 06031C70 1819000040Chip ceramic capacitor 3P 06031C60 1819000041EChip ceramic capacitor 4P 06031C84 1819000041Chip ceramic capacitor 4P 06031C63 1819000043Chip ceramic capacitor 6P 06031C87 1811800029Chip ceramic capacitor (12P)06031C88 1819000045Chip ceramic capacitor 82P 06031C21 1819000046Chip ceramic capacitor 8P 06031C26 1819000047Chip ceramic capacitor 9P 06031C32 1819000041Chip ceramic capacitor 4P 06031C57 1819000048Chip ceramic capacitor 10P 06034C39, C52, C56, C85 1819000051Chip ceramic capacitor 22P 06031C40 1819000053Chip ceramic capacitor 33P 06031C72 1819000054Chip ceramic capacitor 47P 06034C15, C16, C49'C40 1819000055Chip ceramic capacitor 68P 06032C27, C71 1819000056Chip ceramic capacitor 101 060310 C31, C36, C64, C65, C66, C83'C13, C92, C94, C95 1819000057Chip ceramic capacitor 102 060310 C45, C47, C54, C61, C62, C78, C81, C82'C75, C76 1819000058Chip ceramic capacitor 102J 0805 +/-5% 1C7 1819000059Chip ceramic capacitor 103 06034C30, C51, C74'C42 1819000061Chip ceramic capacitor 103J 0805 +/-5% 3C6, C20'C12 1819000062Chip ceramic capacitor 104 06032C33, C58 1819000064Chip ceramic capacitor 104J 0805 +/-5% 3C96, C98, C99 1819000068Chip ceramic capacitor 222J 0805 +/-5% 1C19 1819000069Chip ceramic capacitor 223 06032C28'C34 1819000072Chip ceramic capacitor 471 060310 C50, C53, C69, C77, C79, C80, C89, C90, C93'C38 1819000073Chip ceramic capacitor 475 08057 C11, C25, C35, C44, C73'C2, C4 1819000074SMD Resistor 0R 06031R40 1819000075SMD Resistor 10R 06038 R30, R83, R96, R97, R102'R2, R16, R91 1819000076SMD Resistor 22R 06032R72, R80 1819000077SMD Resistor 47R 06038 R1, R4, R5, R46, R66, R100, R103'R47 1819000078SMD Resistor 56R 06031R68 1819000079SMD Resistor 82R 06032R85, R87 1819000080SMD Resistor100R 060310 R21, R49, R65, R71, R73, R74, R79, R89'R3, R58 1819000083SMD Resistor 330R 06031R34 1819000085SMD Resistor 470R 06034R23, R36, R81'R33 1819000086SMD Resistor 1K 06036R7, R17, R39, R77'R64, R86 1819000087SMD Resistor 1.2K 06031R50 1819000088SMD Resistor 1.5K 06032R90, R94 1819000089SMD Resistor 2.2K 06033R6, R101'R10 1819000090SMD Resistor 3.3K 06031R28 1819000091SMD Resistor 4.7K 06037 R15, R22, R69, R75, R78, R82, R98 1819000092SMD Resistor 5.6K 06031R126 1819000093SMD Resistor 6.8K 06032R104'R32 1819000095SMD Resistor 10K 060319 R9, R14, R20, R26, R29, R42, R43, R51, R52, R53, R56, R60, R61, R84, R88'R44, R54, R92'R55 1819000096SMD Resistor 12K 06032R19, R99 1819000097SMD Resistor 15K 06033R57, R70'R11 1819000099SMD Resistor 22K 06033R8, R18'R13 1819000100SMD Resistor 33K 06032R12, R35 1819000101SMD Resistor47K 06032R41'R37 1819000102SMD Resistor 56K 06031R93 1819000103SMD Resistor 100K 060312 R25, R27, R31, R48, R67, R108'R59, R95, R118, R120, R122, R124 1819000104SMD Resistor 120K 06031R63 1819000106SMD Resistor 470K 06031R24 1819000107SMD Resistor 1M 060318 R62, R76, R105, R106, R107, R109, R110, R111, R112, R113, R114, R115, R116, R117, R119, R121, R123, R125 1819000108SMD Diode 1SV229 SOD-3232D6, D7 1819000112SMD Diode BAV99W SOT-3233D2, D3, D8 1819000117SMT Transistor 2SC4226 SOT-3231Q8 1819000118SMT Transistor 2SC5752 SOT-3431Q13 1819000119SMT Transistor BC807W SOT-3231Q12 1819000120 SMT Transistor BC817W(CR 2SC4097T106R) SOT-323 10 Q3, Q9, Q11, Q15, Q16, Q18'Q5, Q6, Q10, Q17 1819000121SMT Transistor BFG520/X SOT-143B1Q14 1819000122SMT TransistorIMZ1A SOT-23-61Q1 1819000124SMT Transistor UMX5N SOT-3631Q7 1819000128Chip tantalum capacitor 0.1uF35v 12061C48 1819000129 Chip tantalum capacitor 0.47uF/35V 1206 1C67 1819000131Chip tantalum capacitor 10uF10v 08051C46 1819000132Chip tantalum capacitor10uF16v 120610 C1, C14, C22, C29, C43, C68, C86'C3, C24, C91 1819000133Chip tantalum capacitor 1uF/16V 12061C23 1819000134Chip tantalum capacitor 2.2uF/16V 1206 5C8, C9, C17'C5, C10 1819000139 Ceramic Trimmer Capacitors 3-30P STC3M30-T1 1C41 1819000142Fine-tuning resistanceTMC3K-B10K-TR/D 1TR1 1819000143 Fine-tuning resistance TMC3K-B50K- 1TR2 1819000161 Handheld Sheilding Base Frame 13.7*23.4mm 2 1819000168 EV SMD LED Orange(12-21UYOC/S530- A2/TR8) LED-1206R 2D1, D4 1819000178 Air core inductance 22nH 1L4 1819000185Ceramic core inductance 100nH 06033L2, L5, L8 1819000189Ceramic core inductance 220nH 06035L1, L3, L6, L7, L14 1819000193Ceramic core inductance 6.8nH 06031L13 1819000186Ceramic core indu…

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Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Page 1 of 37 TEST REPORT Reference No. .................... : WTD15S0628385E FCC ID ................................ : B5DH227C Applicant ............................ : Bosch Security Systems ,Inc. Address .............................. : 8601 East Cornhusker Highway Lincoln, Nebraska 68507 United States Manufacturer .................... : Bardl Professional Audio Co., Ltd. Address .............................. : No.8, E zone, Dongan Industrial District, Dongcheng Town, Enping City, Guangdong China Product Name .................... : UHF Wireless Microphone Model No. ........................... : HT-300C (where C is Frequency Band) Brand............................ EV Electro-Voice Standards ........................... : FCC CFR47 Part 74 Date of Receipt sample ..... : Jun. 17, 2015 Date of Test ........................ : Jun. 23 – Jul. 20, 2015 Date of Issue ...................... : Jul. 24, 2015 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company.The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Services (Shenzhen) Co., Ltd. Address: 1/F., Fukangtai Building, West Baima Road, Songgang Street, Baoan District, Shenzhen, Guangdong, China Testing location: 1/F., Fukangtai Building, West Baima Road, Songgang Street, Baoan District, Shenzhen, Guangdong, China Tel :+86-755-83551033 Fax:+86-755-83552400 Compiled by: Approved by: Zero Zhou / Project Engineer Philo Zhong / Manager Reference No.: WTD15S0628385E Page 2 of 37 Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 2 Test Summary Test Items Test Requirement Test Method Result RF Output Power 74.861(e)(1)(ii) ANSI/TIA-603-D:2010 PASS Modulation Characteristics 2.1047(a) ANSI/TIA-603-D:2010 PASS Occupied Bandwidth 2.1049(c)(1) ANSI/TIA-603-D:2010 PASS Radiated Emissions 2.1053 & 74.861(e)(6) ANSI/TIA-603-D:2010 PASS Spurious emissions at antenna terminals 2.1051 ANSI/TIA-603-D:2010 PASS Frequencies Stability 2.1055(a)(1) ANSI/TIA-603-D:2010 PASS RF Exposure 1.1307(b)(1) KDB 447498 D01 PASS Remark: PASS means that the test results complies with related requirements. N/A means that the test is not applicable for the EUT. Reference No.: WTD15S0628385E Page 3 of 37 Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn 3 Contents Page 1 COVER PAGE ........................................................................................................................................................ 1 2 TEST SUMMARY ................................................................................................................................................... 2 3 CONTENTS ............................................................................................................................................................. 3 4 GENERAL INFORMATION .................................................................................................................................. 5 4.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................................. 5 4.2 DETAILS OF E.U.T. .......................................................................................................................................... 5 4.3 CHANNEL PLAN & LIST .................................................................................................................................... 5 4.4 TEST FACILITY ................................................................................................................................................. 5 5 EQUIPMENT USED DURING TEST ................................................................................................................... 6 5.1 EQUIPMENTS LIST ........................................................................................................................................... 6 5.2 MEASUREMENT UNCERTAINTY ........................................................................................................................ 6 5.3 TEST EQUIPMENT CALIBRATION ...................................................................................................................... 6 6 RF OUTPUT POWER ............................................................................................................................................ 7 6.1 TEST PROCEDURE ........................................................................................................................................... 7 6.2 TEST RESULT ................................................................................................................................................... 7 7 MODULATION CHARACTERISTICS ................................................................................................................ 9 7.1 TEST PROCEDURE ............................................................................................................................................. 9 7.2 TEST RESULT ................................................................................................................................................ 10 8 OCCUPIED BANDWIDTH OF EMISSION ....................................................................................................... 11 8.1 TEST PROCEDURE ......................................................................................................................................... 11 8.2 TEST RESULT ................................................................................................................................................ 11 9 SPURIOUS EMISSIONS AT ANTENNA TERMINALS ...................................................................…

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Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Photo graphs –Model HT-300C Test Setup Photograph – Radiation Spurious Emission Test Setup 9KHz ~30MHz 30MHz-1GHz Waltek Services (Shenzhen) Co.,Ltd. http://www.waltek.com.cn Above 1GHz