R74TC3600UTwo-way Radio

1 THANK YOU! We are grateful for your purchase of HYT product. We believe this easy-to-use radio will provide you with dependable and reliable communications. This HYT portable two-way radio is a precision device. Treat it with care, and you will enjoy years of reliable operation. MODELS COVERED IN THIS MANUAL TC3600 VHF Two-way Radio TC3600 UHF Two-way Radio 2 Content User Safety, Training, and General Information Compliance with RF Energy Exposure Standards FCC Compliance Precautions Product Inspection Battery Information Accessory Installation Getting Started Features and Operation Chinese/English Menu Troubleshooting Guide Care and Cleaning Optional Accessories Specification Frequency Chart 3 User Safety, Training, and General Information READ THIS IMPORTANT INFORMATION ON SAFE AND EFFICIENT OPERATION BEFORE USING YOUR HYT PORTABLE TWO-WAY RADIO. Compliance with RF Energy Exposure Standards Yo u r HYT two-way radio is designed and tested to comply with a number of national and international standards and guidelines (listed below) regarding human exposure to radio frequency electromagnetic energy. This radio complies with the IEEE (FCC) and ICNIRP exposure limits for occupational/controlled RF exposure environment at duty cycles of up to 50% talk-50% listen and should be used for occupational use only. In terms of measuring RF energy for compliance with the FCC exposure guidelines, your radio radiates measurable RF energy only while it is transmitting (during talking), not when it is receiving (listening) or in standby mode. Note: The approved batteries supplied with this radio are rated for a 5-5-90 duty cycle (5% talk-5% listen-90% standby), even though this radio complies with the FCC occupational RF exposure limits at duty cycles of up to 50% talk. Your HYT two-way radio complies with the following of R F e n e r g y exposure standards and guidelines: z United States Federal Communications Commission, Code of Federal Regulations; 47CFR part 2 sub-part J (Body 2.160 w/kg, Head 0.705 w/kg) z American National Standards Institute (ANSI)/Institute of Electrical and Electronic Engineers (IEEE) C95. 1-1992 z Institute of Electrical and Electronic Engineers (IEEE) C95. 1-1999 Edition z International Commission on Non-Ionizing Radiation Protection (ICNIRP) 1998 Operational Instructions and Training Guidelines To ensure optimal performance and compliance with the occupational/controlled environment RF energy exposure limits in the above standards and guidelines, users should transmit no more than 50% of the time and always adhere to the following procedures: Transmit and Receive To transmit (talk), push the Push-To-Talk (PTT) button; to receive, release the PTT button. Hand-held radio operation Hold the radio in a vertical position with the microphone one to two inches (2.5 to 5 cm) away from the lips. Body-worn operation z Always place the radio in an HYT approved clip, holder, holster, case, or body harness for this product. Use of non-HYT-approved accessories may exceed FCC RF exposure guidelines. Antennas & Batteries 4 z Use only HYT approved, supplied antenna or HYT approved replacement antenna. Unauthorized antennas, modifications, or attachments could damage the radio and may violate FCC regulations. z Use only HYT approved, supplied batteries or HYT approved replacement batteries. Use of non- HYT -approved batteries may exceed FCC RF exposure guidelines. Approved Accessories For a list of HYT approved accessories, see the accessories page of this user manual or visit the following website which lists approved accessories: http://www.HYT.com.cn FCC Compliance 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 or more of the following measures: z  Reorient or relocate the receiving antenna. z  Increase the separation between the equipment and receiver. z  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. z  Consult the dealer or an experienced radio/TV technician for help. Changes or modifications not expressly approved in writing may cause harmful interference and void the user’s authority to operate this equipment. FCC Requirements Your radio must be properly licensed by the Federal Communications Commission prior to use. Your HYT dealer can assist you in meeting these requirements. Your dealer will program each radio with your authorized frequencies, signaling codes, etc., and will be there to meet your communications needs as your system expands. Note The term "IC": before the certification / registration number only signifies that the Industry Canada technical specification were met. Precautions • Only qualified technicians are allowed to maintain this product. • Do not use the radio or charge a battery in explosive areas such as coal gas, dust, steam, etc. • Switch OFF the radio while refueling or parking at gas station. • Do not modify or adjust this radio without permission. 5 • Do not expose the radio to direct sunlight over a long time nor place it close to heating source. • Do not place the radio in excessively dusty, humid areas, or on unstable surfaces. Safety: It is important that the operator is aware of and understands hazards common to the operation of any radio. Product Inspection Thank you for your use of HYT portabl…

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APPENDIX C - EUT EXTERNAL PHOTOGRAPHS EUT – Front View EUT – Rear View Charger – Top View Charger – Bottom View Adapter View

APPENDIX A - FCC ID LABELING AND LOCATION Proposed FCC ID Labeling Proposed FCC ID Location Battery removed, Rear Side of EUT / Proposed Label Location ATTENTION! Restricted to occupational use to satisfy FCC RF exposure limits. See users manual for operating requirements. FCC ID: R74TC3600U

APPENDIX C - EUT INTERNAL PHOTOGRAPHS EUT – Battery Removed Back View Board – Top View Board – Top Shield Cover Removed View Board – Bottom View Board – Bottom Shield Cover Removed View Display Board and Housing Display Board Top View Display Board Bottom View Screen Board Top View Screen Board Bottom View

Circuit Description 1. Power Supply Power supply of the radio is derived from the battery, which supplies battery B+ after passing through fuse 3A and then feeds through power switch. The power supplies voltage for three AVRs. IC505 supplies 5V (5M) voltage for the control circuit. IC9 supplies 5V (5C) voltage for the shared circuit. And IC6 supplies voltage for the transmit/receive circuit. In transmit mode, 5TC becomes low voltage and Q3 is turned on to supply 5V(5T) voltage for the transmit circuit. In receive mode, 5RC becomes low voltage and Q2 is turned on to supply 5V (5R) voltage for the receive circuit. BATTFUSE PROTECT 5C 5M BUFF 1/2BIAS AVR AVR SW 5R 5T AVR SW SW SAVE 5RC 5TC Fig. 1 Power Supply Block Diagram 2. PLL Frequency Synthesizer PLL circuit generates the first local oscillator signal for reception and RF signal for transmission. CPU Q416 UL X401 IC400 PLL IC500 CV CLK,DAT,EN TCXO VCO BUFFSW MB D100 T/R To Drive Amp BUFF D103 SW To Mixer Q310 Fig2. PLL circuit 1) PLL IC400 is divider. Step frequency of PLL circuit is 2.5KHz or 6.25KHz. A 16.8MHz reference oscillator signal is divided at IC400 by a fixed counter to generate a 2.5KHz or 6.25KHz reference frequency. Output signal from VCO is buffer amplified by Q416 and divided at IC400 by a frequency divider. Divided signal is compared in the phase comparator with 20KHz or 50KHz reference signal of IC400. Output signal from phase comparator is filtered through a low pass filter and passed to the VCO to control oscillator frequency. 2) VCO The operating frequency is generated by Q352 in transmit mode and by Q350 in receive mode. Operating frequency generates a control voltage by phase comparator to control varactor diodes so that the oscillator frequency is consistent with the MCU preset frequency (D350, D352, D354 and D355 in transmit mode and D351, D353, D356 and D357 in receive mode). T/R pin is set high level in receive mode and low in transmit mode. The output from Q352 and Q350 is amplified by Q354 and sent to buffer amplifier. 3) Unlock Detector An unlock condition appears if low level appears at LOCK pin of IC400. Transmission is forbidden if this condition is detected by microprocessor. 3. Receiver The receiver utilizes double conversion superheterodyne. C ANT ANT SW BPFQ201 RF AMP BPF MCF XF201 IF AMP Q222 MIXER IC218 CF201,202 IF,MIX,DET IC204 AF AMP IC720SP 1st Local OSC (PLL) 2nd Local OSC IF AMP Q216 Fig.3 Receiver Section Configuration 1) Front-end Amplifier The signal from antenna is amplified at RF amplifier (Q201) after passing through a transmit/receive switch circuit and a band pass filter. The amplified signal is filtered through a band pass filter to remove unwanted signals before it passes the first mixer. 2) First Mixer The signal from RF amplifier is mixed with the first local oscillator signal from PLL frequency synthesizer circuit at the first mixer (IC218) to create a 44.85MHz first IF signal. The first IF signal is then fed through a crystal filter (XF201) to further remove spurious signals from adjacent channel. 3) IF Amplifier The first IF signal is amplified by Q216 before passing through crystal filter and by Q222 after crystal filter and then enters IF processing chip IC204. The signal is mixed with the second local oscillator signal again in IC204 to create a 455KHz second IF signal. The second IF signal then passes through a 455KHz ceramic filter (wideband: CF201/narrowband: CF202) to eliminate unwanted signals before it is amplified and detected in IC204. 4) Narrowband/Wideband Switch Circuit Turn on ceramic filter CF201 (wideband)/CF202 (narrowband) to set each channel as wideband or narrowband. W/N pin of IC500 outputs wideband (high level) and narrowband (low level) signal. 5) AF Amplifier The result AF signal from IC204 is amplified by IC606, and then passes through AF processing chip IC601 and compander IC603. The processed AF signal is then amplified by an AF power amplifier (IC720) to drive the speaker. 4. Transmitter 1) AF and Signaling Modulating signal from the microphone passes through Q700 switch and compander IC603 before it enters AF processing chip IC601. CPU generates CTCSS/CDCSS signaling and IC601 produces DTMF/2-Tone/5-Tone signaling, which then pass through MOD and enter VCO together with the modulating signal for direct FM modulation. (See fig.5) 2) RF Amplifier The transmit signal from VCO buffer amplifier (Q310) is amplified by Q101 and Q102. The amplified signal is then amplified by the power amplifier Q105 and Q107 (include a two-stage FET amplifier) to create 4.0W RF power. (See fig.4) D C B A Title AMP Q101.102 5T DRIVE AMP Q105 FINAL AMP Q107 ANT SW D101LPF ANT ANT SW D201.202 RX Q106 SW Q109 SW 5T IC100 APC DET Q103.Q104 B SW B APC 5T TH101 SW Q110 5T Q108 SW 5TC Fig.4 APC System 3) Antenna Switch and LPF Output signal from RF amplifier passes through a low-pass filter network and a transmit/receive switch circuit comprised of D101, D201 and D202 before it reaches the antenna terminal. D201 and D202 is turned on (conductive) in transmit mode and off (isolated) in receive mode. 4) APC The automatic power control (APC) circuit stabilizes the transmit output power by detecting the drain current of final stage amplifier FET. IC100 (2/2) compares the preset reference voltage with the voltage obtained from final current. APC voltage is proportional to the difference between auto detect voltage and reference voltage output from IC100 (1/2). The output voltage controls FET power amplifier and keeps the transmitter output power constant. The output voltage can be varied by the microprocessor, which hence controls the transmitter output power. 5. Signalling Section The block diagram of signaling section is shown as figure 5. D601 LIMITTER X601 BASEBAND PROCESSOR IC601 BBP_IRQN BBP_RPL SP MIC SW Q700 AF PA IC710 SW Q710 MIC AUDIO_EN EXT_SPK+ EXT_MIC BBP_CSN BBP_CMD BBP_CLK Q701 SW EXT_MIC_SELEXT_SP_SEL IC605 BUFFER Ver Vbias COMPANDER IC603 BYPATH MOD MB COMPRESSOR EX…

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1 Tune-up procedure Required Test Instrument Radio communication test set 1 set Scanner 1 set 3A/10V power supply 1 set Digital voltmeter 1 set 3A Ammeter 1 set Preparation Open the programming software in PC and operate as the following instructions. 1. Programme Download: Connect the radio with the computer via programming cable. And then turn the power on. LED glows orange. Click “Programme” → “Download” on the interface to choose programme. Click “Open” to begin download and LED flashes red. When download is complete, click “End” and turn the power off. And then disconnect the programming cable. 2. Initialization: Turn the power on while holding down [PTT] and [A] key simultaneously. LED glows orange and a BEEP sounds. Radio channel frequency and setting data are initialized. 3. Destination Set: Turn the power on. And then connect the radio with the computer via programming cable. Set “frequency range” on the programming software interface. And then click “Programme” → “ Writing”. 4. Factory Setting The compander is enabled. Squelch level 2. Adjustment mode is disabled. Adjustment Procedure & Method 1) Turn the power on while holding down PTT and programmable key C, after two seconds, the radio enters adjustment mode. 2) CH1-CH16 are defined as following: 2 CH1: Keyboard and Display Detect; CH2: Transmitting VCO; CH3: Receiving VCO; CH4: Frequency Accuracy; CH5: High power; CH6: Low power; CH7: CDCSS balance; CH8: MIC sensitivity; CH9: Maximum frequency deviation; CH10: CTCSS/CDCSS deviation; CH11: FFSK deviation; CH12: TONE deviation; CH13: Receiving sensitivity; CH14: Squelch level; CH15: Low battery alert level; CH16: VOX sensitivity. 3) Keyboard and display detect: Enter adjustment mode. Turn to CH1. Press PTT. A black screen is displayed. And then press keys on the keyboard to check the display. VCO Measurement Adjustment Item Condition Te s t Instrument Terminal Part Method Specification/ Remarks 1. Setting Power supply 7.5V 1.Turn to CH2. Press PTT. TX High Check 3.1V±0.2V 2.Transmit VCO loc k voltage 2. Press PTT again. TX Low Check 1.0V±0.2V 1. Turn to CH3. Press PTT. TX High Check 3.1V±0.2V 3. Receiving VCO loc k voltage 2. Press PTT again. TX Low Digital Voltmeter CV TC350 TC351 Check 1.0V±0.2V 3 Transmitter Measurement Adjustment Item Condition Test Instrument Terminal Part Method Specification /Remarks 1. Transmit frequency Turn to CH4. Press PTT. Radio Communication Test Set ANT [B] (up) [C] (down) Adjust to center frequency. Press [A] to save. Error ≤ 150Hz 1. Turn to CH5. Press PTT. Center frequency Adjust to 4.0 W, I≤1.6A. Press [A] to save. 2. Press PTT. Frequency changes to low frequency. Adjust to 4.0 W, I≤1.6A. Press [A] to save. High 3. Press PTT again. Frequency changes to high frequency. Adjust to 4.0 W, I≤1.6A. Press [A] to save. 4.0W±0.3W 1. Turn to CH6. Press PTT. Center frequency. Adjust to 1.0 W, I ≤ 0.7A. Press [A] to save. 2. Press PTT. Frequency changes to low frequency. Adjust to 1.0 W, I ≤ 0.7A. Press [A] to save. 2. Power Low 3. Press PTT again. Frequency changes to high frequency. Radio Communication Test Set Ammeter ANT [B] (up) [C] (down) Adjust to 1.0 W, I≤0.7A. Press [A] to save. 1W±0.3W 1. Turn to CH7. Press PTT. Wideband. Center frequency. 2. Press PTT. Frequency changes to low frequency. 3. Press PTT again. Frequency changes to high frequency. 3. CDCSS balance Wideba- nd Narrow- band 4. Press PTT for two seconds. LED flashes indicating that the radio operates with narrowband. Center frequency. Adjust narrowband following the above steps. Radio Communication Te s t S e t LPF: 15KHz ANT [B] (up) [C] (down) Rectify the waveform to square wave. Press [A] to save. 4 1. Turn to CH8. Press PTT. Wideband. Center frequency. 2. Press PTT. Frequency changes to low frequency. 4. MIC Sensitivity (Wideband) 3. Press PTT again. Frequency changes to high frequency. Radio Communication Test Set LPF: 15KHz AF: 1KHz 24mV ANT MIC Jack [B] (up) [C] (down) Check Frequenc y deviation 2.9±0.1KHz. Press [A] to save. Adjust as wideband. 1. Turn to CH9. Press PTT. Wideband. Center frequency. 2. Press PTT. Frequency changes to low frequency. Wideba- nd 3. Press PTT again. Frequency changes to high frequency. Adjust it to 4.0KHz±100Hz. Press [A] to save. 5. Maximu- m frequenc -y deviation Narrow- band 4. Press PTT for two seconds. LED flashes indicating that the radio operates with narrowband. Center frequency. Adjust narrowband following the above steps. Radio Communication Test Set LPF: 15KHz AF: 1KHz 500mV ANT MIC Jack [B] (up) [C] (down) Adjust it to 2.0KHz±100Hz. Press [A] to save. 1. Turn to CH10. Press PTT to adjust CTCSS deviation. Wideband. Center frequency. 2. Press PTT. Frequency changes to low frequency. 6. CTCSS ／ CDCSS deviation Wideba- nd 3. Press PTT again, frequency changes to high frequency. Radio Communication Test Set LPF: 3KHz ANT [B] (up) [C] (down) Adjust deviation to 0.70KHz± 50Hz. Press [A] to save. 5 4. Press PTT to adjust CDCSS deviation. Wideband. Center frequency. 5. Press PTT. Frequency changes to low frequency. 6. Press PTT again, frequency changes to high frequency. 7. Press A key for two seconds. LED flashes indicating that the radio operates with narrowband. Adjust CDCSS deviation. High frequency. 8. Press PTT. Frequency changes to center frequency. 9. Press PTT. Frequency changes to low frequency. 10. Press PTT to adjust CTCSS deviation. Narrowband. Center frequency. 11. Press PTT. Frequency changes to low frequency. Narrow- band 12. Press PTT again, frequency changes to high frequency. Adjust deviation to 0.35KHz± 50Hz. Press [A] to save. 1. Turn to CH11. Press PTT. Cente r frequency. 2. Press PTT. Frequency changes to low frequency. 7. FFSK deviation Wideba- nd 3. Press PTT again, frequency changes to high frequency. Radio Communication Test Set LPF: 3KHz ANT [B] (up) [C] (down) Adjust deviation to 3KHz± 0.1KHz. Press [A] to save. 6 Narrowb -and 4. Press A key for two seconds. LED flashes indicating that the radio operates with narro…

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Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the U.S. Government. SAR EVALUATION REPORT For SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD R2-High-Tech Industrial Park ShenZhen, China FCC ID: R74TC3600U This Report Concerns: Original Report Equipment Type: Two-way Radio Test Engineer: Eric Hong Report No.: R0412133S Test Date: 2005-01-05 Reviewed By: Daniel Deng Prepared By: Bay Area Compliance Laboratory Corporation (BACL) 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732 9164 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 2 of 60 DECLARATION OF COMPLIANCE SAR EVALUATION Rule Part(s): FCC §2.1093 Test Procedure(s): FCC OET Bulletin 65 Supplement C Device Classification: Two Way Radio, TNF Device Type: PTT FCC ID: R74TC3600U Model Number: TC-3600KU Modulation: FM TX Frequency Range: 350-390MHz, 400-430MHz & 440-470 MHz Max. Conducted Power Tested: 36.33dBm Antenna Type(s): External Antenna Battery Type(s): Rechargeable Body-Worn Accessories: Belt Clip & Headset Face-Head Accessories: None Max. SAR Level(s) Measured: 0.705 W/kg (Face-Held) / 2.160 W/kg (Body-Worn) BACL Corp. declares under its sole responsibility that this device was found to be in compliance with the Specific Absorption Rate (SAR) RF exposure requirements specified in the relevant regulatory rules, e.g. FCC §2.1093 and Health Canada’s Safety Code 6. The device was tested in accordance with the measurement standards and procedures specified in the appropriate directives, e.g. FCC OET Bulletin 65, Supplement C, Edition 01-01 and Industry Canada RSS-102 Issue 1 (Occupational Environment/Controlled Exposure). I attest to the accuracy of data. All measurements were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. The results and statements contained in this report pertain only to the device(s) evaluated. /signature/ Eugene Peyzner Bay Area Compliance Laboratory Corp. SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 3 of 60 TABLE OF CONTENTS INTRODUCTION AND OVERVIEW ........................................................................................................................4 REFERENCE, STANDARDS, AND GUILDELINES ...............................................................................................5 SAR LIMITS.................................................................................................................................................................5 EUT DESCRIPTION ....................................................................................................................................................6 DESCRIPTION OF TEST SYSTEM ..........................................................................................................................7 MEASUREMENT SYSTEM DIAGRAM.............................................................................................................................8 SYSTEM COMPONENTS.................................................................................................................................................9 TESTING EQUIPMENT............................................................................................................................................13 EQUIPMENTS LIST & CALIBRATION INFO...................................................................................................................13 SAR MEASUREMENT SYSTEM VERIFICATION ..............................................................................................14 LIQUID VALIDATION..................................................................................................................................................14 SYSTEM ACCURACY VERIFICATION...........................................................................................................................16 EUT TEST STRATEGY AND METHODOLOGY .................................................................................................17 SAR EVALUATION PROCEDURE.................................................................................................................................17 CONCLUSION ............................................................................................................................................................18 SAR BODY AND HEAD WORST-CASE TEST DATA.....................................................................................................18 APPENDIX A – MEASUREMENT UNCERTAINTY ............................................................................................19 APPENDIX B – PROBE CALIBRATION CERTIFICATES .................................................................................20 APPENDIX C – DIPOLE CALIBRATION CERTIFICATES ...............................................................................39 APPENDIX D - TEST SYSTEM VERIFICATIONS SCANS .................................................................................44 LIQUID MEASUREMENT RESULT................................................................................................................................44 APPENDIX E - EUT SCANS .....................................................................................................................................47 APPENDIX F – CONDUCTED OUTPUT POWER MEASUREMENT ...............................................................49 PROVISION APPLICABLE.............................…

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SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 31 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 32 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 33 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 34 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 35 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 36 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 37 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 38 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 39 of 60 APPENDIX C – DIPOLE CALIBRATION CERTIFICATES SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 40 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 41 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 42 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 43 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 44 of 60 APPENDIX D - TEST SYSTEM VERIFICATIONS SCANS Liquid Measurement Result 2005-01-05 Simulant Freq [MHz] Parameters Liquid Temp [ºC] Target Value Measured Value Deviation [%] Limits [%] ε 22 56.7 55.3 -2.47 ±5 σ 22 0.94 0.94 0.00 ±5 Body 450 1g SAR 22 4.874 4.87 -0.08 ±10 ε 22 43.5 42.3 -2.76 ±5 σ 22 0.87 0.86 -0.82 ±5 Head 450 1g SAR 22 4.9 4.86 -0.82 ±10 ε = relative permittivity, σ = conductivity and ρ=1000kg/m 3 Note: Forward power for Body = 20.04 dBm = 100.93 mW Forward power for Head = 20.14 dBm = 103.28 mW SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 45 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 46 of 60 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 47 of 60 APPENDIX E - EUT SCANS Plot #1 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 48 of 60 Plot #2 SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 49 of 60 APPENDIX F – CONDUCTED OUTPUT POWER MEASUREMENT Provision Applicable According to FCC §22.913 (a), the ERP of mobile transmitters and auxiliary test transmitters must not exceed 7 watts. According to FCC § 24.232(b), EIRP peak power for mobile/portable stations are limited to 2 watts. Test Procedure The RF output of the transmitter was connected to the input of the spectrum analyzer through sufficient attenuation. Test equipment Hewlett Packard HP8564E Spectrum Analyzer, Calibration Due Date: 2005-08-01. Hewlett Packard HP 7470A Plotter, Calibration not required. A.H. Systems SAS200 Horn Antenna, Calibration Due Date: 2005-05-31 Com-Power AB-100 Dipole Antenna, Calibration Due Date: 2005-09-05 Test Results Frequency (MHz) Output Power in dBm Output Power in W 455.250 36.33 4.30 Please refer to the following plots. SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 50 of 60 APPENDIX G – Z-AXIS PLOT SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 51 of 60 APPENDIX H – EUT TEST POSITION PHOTOS 2.5cm Head Separation to Flat Phantom Back Touching with Flat Phantom with Belt Clip and Headset SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 52 of 60 APPENDIX I – EUT & ACCESSORIES PHOTOS EUT – Front View EUT – Rear View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 53 of 60 EUT – Battery Removed Back View Board – Top View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 54 of 60 Board – Top Shield Cover Removed View Board – Bottom View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 55 of 60 Board – Bottom Shield Cover Removed View Display Board and Housing SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 56 of 60 Display Board Top View Display Board Bottom View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 57 of 60 Screen Board Top View Screen Board Bottom View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 58 of 60 Charger – Top View Charger – Bottom View SHENZHEN HYT SCIENCE&TECHNOLOGY CO.,LTD. FCC ID: R74TC3600U Report #R0412133S SAR Evaluation Report Page 59 of 60 Ad…

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