ZT8LS-450Handheld two way radio

SAFETYTRAINING INFORMATION Yo u r radio generates RF electromagnetic energy during transmit mode. This radio is designed for and classified as “Occupational Use Only”, meaning it must be used only during the course of employment by individuals aware of the hazards, and the ways to minimize such hazards. This radio is NOT intended for use by the “General Population” in an uncontrolled environment. This radio has been tested and complies with the FCC RF exposure limits for “Occupational Use Only”. In addition, your radio complies with the following Standards and Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for exposure to humans: FCC OET Bulletin 65 Edition 97-01 Supplement C, Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields. American National Standards Institute (C95.1-1992), IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. American National Standards Institute (C95.3-1992), IEEE Recommended Practice for the Measurement of Potentially Hazardous Electromagnetic Fields– RF and Microwave. The following accessories are authorized for use with this product. Use of accessories other than those (listed in the instruction) specified may result in RF exposure levels exceed the FCC requirements for wireless RF exposure. To ensure that your expose to RF electromagnetic energy is within the FCC allowable limits for occupational use, always adhere to the following guidelines: DO NOT operate the radio without a proper antenna attached, as this may damaged the radio and may also cause you to exceed FCC RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer or antenna specifically authorized by the manufacturer for use with this radio. DO NOT transmits for more than 50% of total radio use time (“50%duty cycle”). Transmitting more than 50% of the time can cause FCC RF exposure compliance requirements to be exceeded. The radio is transmitting when the “TX indicator” lights red. You can cause the radio to transmit by pressing the “PTT” switch. ALWAYS keep the antenna at least 2.5 cm (1 inch) away from the body when transmitting and only use the TYT belt-clip which is listed in instructions when attaching the radio to your belt, etc., to ensure FCC RF exposure compliance requirements are not exceeded. To provide the recipients of your transmission the best sound quality, hold the antenna at least 5 cm (2 inches) from your mouth, and slightly off to one side. T he information listed above provides the user with the information needed to make him or her aware of RF exposure, and what to do to as‐sure that this radio operates with the FCC RF exposure limits of this radio. Electromagnetic Interference/Compatibility During transmissions, your radio generates RF energy that can possibly cause interference with other devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to do so. DO NOT operate the transmitter in areas that are sensitive to electromagnetic radiation such as hospitals, aircraft, and blasting sites. Occupational/Controlled Use The radio transmitter is used in situations in which persons are exposed as consequence of their employment provided those persons are fully aware of the potential for exposure and can exercise control over their exposure. The Measured Head SAR (2.5 cm)= 2.676 W/Kg; Body SAR= 3.028 W/ Kg

February 27, 2012 PHOENIX TESTLAB GmbH Koenigswinkel 10 D‐32825 Blomberg， Germany Subject: FCC ID: ZT8LS-450 Attestation statement that the end user can’t tune the transmitter. Gentlemen; The equipment meets the requirements of the FCC Rules, Part 90.203(e) and (g), as applicable. Programming of this product’s transmit frequencies can be performed ONLY by the manufacturer or by service or maintenance personal. The operator cannot be program transmit frequencies using the equipment’s external operation controls. Reliable Two Way Communication Jose Rivera

February 27, 2012 Federal Communications Commission Authorization & Evaluation Division 7435 Oakland Mills Road Colombia, Maryland 21046 Subject: FCC ID: ZT8LS‐450 Justification Letter for Expanded Frequency Range 400‐470 MHz Gentlemen; You have asked Reliable Two Way Communication for justification to have the freq range 400‐470 MHz appears on the face of the FCC Grant of Certification for a Part 90 Certification. This frequency range is regarded as usual & customary by United States Federal Government and its various departments, user organizations and the military to appear on the face of the equipment Grant of Certification. (1)Reliable Two Way Communication’s Marketing Department plans to ensure that USA users, other than those specifically identified in this letter, not operate within bands 400‐406.1 MHz, as controlled by the users’ FCC station license. (2) This device will not be marketed to USA users, other than those identified in the letter, namely the US Government and its various departments & military, for operation in 400‐406.1 MHz frequency range. Sincerely, Reliable Two Way Communication Jose Rivera

February 13, 2012 Federal Communication Commission Authorization and Evaluation Division FCC ID: ZT8LS-450 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Circuit Diagram 3: Operational Description 4: Parts List 5: Tune up Procedure The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Reliable Two Way Communications Contact Person：Jose Rivera Title：Vice President Tel: 786 355 3502

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FCC ID Label and Label Location FCC RF Warning Label Handheld Two Way Radio Model: LS‐450 Brand Name: RTW Frequency Range: 400 MHz‐ 470MHz FCC ID: ZT8LS‐450 Device must be restricted to occupational use to satisfy FCC RF exposure compliance.See owner’s manual for specific operating requirments

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SAR Test Report Report No.: AGC092110701S1 FCC ID : ZT8LS-450 Product Designation : Handheld two way radio Brand Name : RTW test model : LS-450 Client : Reliable Two Way Communications Date of Issue : Feb.08,2012 STANDARD(S) : FCC Oet65 Supplement C June 2001 IEEE Std. 1528-2003,47CFR § 2.1093 Attestation of Global Compliance Co., Ltd. CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Attestation of Global Compliance Applicant Applicant Manufact Manufact Product N Brand Na Model Na EUT Volta Applicabl Te s t D a te Te s t R e su Performe t Name t Address turer Name turer Addres Name ame ame age e Standard e ults ed Location Test : Rel : 230 : TYT ss : Bl o Qua : Han : RTW : LS- : DC : FCC IEE : Fe b : M A Hea Bod : Att e 1F. Xix Tested Checke d Authorize t Repo liable Two W 039 SW 53 rd T Electronic ock 39-1 Opt anzhou, Fuj ndheld Two W -450 C7.4V Recha C Oet65 Su EE Std. 1528 b.-07-2012 AX SAR MEA ad: 2.676 W dy: 3.028 W estation of G , No.2 Build iang, Baoan By d By ed By ort Ce Way Commu d Ave, Boca cs Co., Ltd. toelectronics ian Way Radio argeable Li-o pplement C 8-2003,47CF ASUREMEN W/Kg W/Kg (Scaling Global Comp ding, Huafe n District, Sh Angela L Forrest L Solger Zh a ertifica unications Raton, FL 3 s-information on Battery June 2001 FR § 2.10 NT(1g) g SAR= 3.13 pliance Co., ng No.1 Te henzhen Li F Lei F ang F Report N ation 33433 n industry ba 93 35 W/Kg) Ltd. echnical Ind eb.08, 2012 eb.08, 2012 eb.08, 2012 No.: AGC09 Pa ase. Nan’an with 50% d with 50% d ustrial Park 92110701S1 age 2 of 124 n uty cycle duty cycle k, Sanwei, 1 Attestation of Global Compliance Report No.: AGC092110701S1 Page 3 of 124 TABLE OF CONTENTS 1. GENERAL INFORMATION ............................................................................................................................ 5 1.1. EUT DESCRIPTION .................................................................................................................................... 5 1.2. TEST PROCEDURE ................................................................................................................................... 5 1.3. TEST ENVIRONMENT ................................................................................................................................ 5 2. SAR MEASUREMENT SYSTEM ..................................................................................................................... 6 2.1. COMOSAR SYSTEM DESCRIPTION ......................................................................................................... 6 2.1.2. AREA SCANS ........................................................................................................................................... 7 2.1.3. ZOOM SCAN (CUBE SCAN AVERAGING) .............................................................................................. 7 2.2.1. ISOTROPIC E-FIELD PROBE SPECIFICATION ..................................................................................... 8 2.3. BOUNDARY DETECTION UNIT AND PROBE MOUNTING DEVICE ......................................................... 8 2.4. DATA ACQUISITION ELECTRONICS (DAE) AND MEASUREMENT SERVER .......................................... 9 2.5 ROBOT ........................................................................................................................................................ 8 2.6. VIDEO POSITIONING SYSTERM .............................................................................................................. 9 2.7. DEVICE HOLDER ....................................................................................................................................... 9 2.8. ELLIPTICAL PHANTOM ............................................................................................................................ 10 3. TISSUE SIMULATING LIQUID ..................................................................................................................... 11 3.1. THE COMPOSITION OF THE TISSUE SIMULATING LIQUID .............................................................................. 11 3.2. TISSUE CALIBRATION RESULT .................................................................................................................................. 11 3.3. TISSUE DIELECTRIC PARAMETERS FOR HEAD AND BODY PHANTOMS ................................................. 12 4. SAR MEASUREMENT PROCEDURE ......................................................................................................... 13 4.1. SAR SYSTEM VALIDATION .......................................................................................................................................... 13 4.1.1. VALIDATION DIPOLES ............................................................................................................................................... 13 4.1.2. VALIDATION RESULT ................................................................................................................................................. 14 4.2. SAR MEASUREMENT PROCEDURE ........................................................................................................................ 15 5. SAR EXPOSURE LIMITS ............................................................................................................................ 16 6. TEST EQUIPMENT LIST ............................................................................................................................. 17 7. MEASUREMENT UNCERTAINTY ................................................................................................................ 18 8. CONDUCTED POWER MEASUREMENT .................................................................................................... 19 9. TEST RESULTS .........................................................................................................…

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FCC Part 90 Test Report Report No.: AGC092110701F1 TEST NAME : FCC Part 90 FCC ID : ZT8LS-450 PRODUCT DESIGNATION : Handheld two way radio BRAND NAME : RTW TEST MODEL NAME : LS-450 CLIENT : Reliable Two Way Communications DATE OF ISSUE : Jul.18, 2011 STANDARD(S) : FCC Part 90 Rules Attestation of Global Compliance Co., Ltd. CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC092110701F1 Page 1 of 52 VERIFICATION OF COMPLIANCE Applicant: Reliable Two Way Communications 23039 SW 53rd Ave,Boca Raton,FL 33433 Manufacturer: TYT Electronics Co.,Ltd. Block 39-1,Optoelectronics-information industry base,Nan’an,Quanzhou,Fujian Product Description: Handheld two way radio Brand Name: RTW Model Name: LS-450 File Number: AGC092110701F1 Date of Test: Jul.14 to Jul.18, 2011 We hereby certify that: The above equipment was tested by Attestation of Global Compliance Co., Ltd. The data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C 63.4:2003 and TIA/EIA 603. The sample tested as described in this report is in compliance with the FCC Rules Part 90 requirements. The test results of this report relate only to the tested sample identified in this report. Tested By: Curoky Chen Jul.18, 2011 Review By Forrest Lei Jul.18, 2011 Approved By Solger zhang Jul.18, 2011 Report No.: AGC092110701F1 Page 2 of 52 TABLE OF CONTENTS 1. GENERAL INFORMATION ............................................................................................. 4 1.1 PRODUCT DESCRIPTION ....................................................................................................................... 4 1.3 TEST METHODOLOGY ........................................................................................................................... 5 1.4 TEST FACILITY ........................................................................................................................................ 5 1.5 SPECIAL ACCESSORIES ....................................................................................................................... 5 1.6 EQUIPMENT MODIFICATIONS ............................................................................................................... 5 2. SYSTEM TEST CONFIGURATION ................................................................................. 6 2.1 EUT CONFIGURATION ............................................................................................................................ 6 2.2 EUT EXERCISE ........................................................................................................................................ 6 2.3 GENERAL TECHNICAL REQUIREMENTS............................................................................................. 6 2.4 CONFIGURATION OF TESTED SYSTEM ............................................................................................. 6 3. SUMMARY OF TEST RESULTS .................................................................................... 7 4. DESCRIPTION OF TEST MODES .................................................................................. 8 5. CONDUCTED LIMITS ..................................................................................................... 9 5.1 PROVISIONS APPLICABLE .................................................................................................................... 9 5.2 MEASUREMENT PROCEDURE .............................................................................................................. 9 5.3 TEST SETUP BLOCK DIAGRAM .......................................................................................................... 10 5.4 TEST EQUIPMENT USED ..................................................................................................................... 10 5.5 TEST RESULT ........................................................................................................................................ 11 6. FREQUENCY TOLERANCE ......................................................................................... 13 6.1 PROVISIONS APPLICABLE .................................................................................................................. 13 6.2 MEASUREMENT PROCEDURE ............................................................................................................ 13 6.3 TEST SETUP BLOCK DIAGRAM .......................................................................................................... 14 6.4 TEST EQUIPMENT USED: .................................................................................................................... 14 6.5 TEST RESULT ........................................................................................................................................ 14 7. EMISSION BANDWIDTH .............................................................................................. 18 7.1 PROVISIONS APPLICABLE .................................................................................................................. 18 7.2 MEASUREMENT PROCEDURE ............................................................................................................ 18 7.3 TEST SETUP BLOCK DIAGRAM .......................................................................................................... 18 7.4 MEASUREMENT EQUIPMENT USED: ................................................................................................. 18 7.5 MEASUREMENT RESULT: .................................................................................................................... 19 8. UNWANTED RADIATION ............................................................................................. 20 8.1 PROVISIONS APPLICABLE .............................................................…

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CONDUCTED EMISSION TEST SETUP RADIATED TEST SETUP