OWDTR-0004-APanther 300M VHF (150-174 MHz)

360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 42 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX E: INSTALLATION MANUAL MM101031V2 R1A P ANTHER ™ 300M VHF Mobile Radio Installation Manual 2 Copyright © 2001, Com-Net Ericsson Critical Radio Systems, Inc. All rights reserved. This manual is published by Com-Net Ericsson Critical Radio Systems, Inc. , without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Com-Net Ericsson Critical Radio Systems, Inc. , at any time and without notice. Such changes will be incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of Com-Net Ericsson Critical Radio Systems, Inc. The software contained in this device is copyrighted by Com-Net Ericsson Critical Radio Systems, Inc. Unpublished rights are reserved under the copyright laws of the United States. NOTICE! Repairs made to this equipment should be made only by an authorized service technician or facility designated by the supplier. Any repairs, alterations, or substitution of recommended parts made by the user to this equipment not approved by the manufacturer could void the user’s authority to operate the equipment in addition to the manufacturer’s warranty. NOTICE! 3 TABLE OF CONTENTS Page SAFETY INFORMATION ................................................................... 4 SAFETY TRAINING INFORMATION.............................................. 5 INTRODUCTION ................................................................................. 7 UNPACK AND CHECK THE EQUIPMENT .................................... 7 OPTIONS AND ACCESSORIES........................................................ 8 INSTALLATION................................................................................... 9 STEP 1 - PLAN THE INSTALLATION ............................................. 9 STEP 2 - LOCATE THE TOOLS REQUIRED................................... 9 STEP 3 – EQUIPMENT PREPARATION ........................................ 10 STEP 4 – PROGRAM THE RADIO ................................................. 15 STEP 5 – INSTALL CABLES........................................................... 16 STEP 6 – INSTALL OPTIONS AND ACCESSORIES .................... 22 FIGURES Figure 1 – Typical Connection Diagram................................................ 11 Figure 2 – Removing Top Cover ........................................................... 12 Figure 3 – Factory Default Internal Speaker Jumper Setting (Enabled) 13 Figure 4 – Factory Default Settings For Jumper JP600 ......................... 14 Figure 5 – Removing Plastic Cover ....................................................... 15 Figure 6 – Power Cable RPM 113 7674/10 ........................................... 17 Figure 7 – Mounting Bracket and Mounting Bracket Hardware Kit...... 20 Figure 8 – Mounting Bracket Installation .............................................. 21 Figure 9 – Mounting Radio to Bracket .................................................. 22 Figure 10 - Mounting the External Speaker ........................................... 25 Figure 11 – External Speaker Option..................................................... 26 Figure 12 – Internal/External Speaker Relay ......................................... 27 Figure 13 - External Car Alert ............................................................... 29 Figure 14 - External Alarm Relay.......................................................... 29 Figure 15 – Ignition Sense Option ......................................................... 30 TABLES Table 1 - P ANTHER 300M Mobile Radio Options and Accessories ......... 8 Table 2 – Radio Option Connector P3 Interface Description ................ 23 4 SAFETY INFORMATION The operator of any mobile radio should be aware of certain hazards common to the operation of vehicular radio transmissions. A list of several possible hazards is given: 1. Explosive Atmospheres - Just as it is dangerous to fuel a vehicle with the motor running, similar hazards exist when operating a mobile radio, be sure to turn the radio off while fueling the vehicle. Do not carry containers of fuel in the trunk of the vehicle if the radio is mounted in the trunk. 2. Interference to Vehicular Electronics Systems - Electronic fuel injection systems, electronic anti-skid braking systems, electronic cruise control systems, etc., are typical electronic systems that may malfunction due to the lack of protection from radio frequency energy present when transmitting. If the vehicle contains such equipment, consult the dealer and enlist their aid in determining the expected performance of electronic circuits when the radio is transmitting. 3. Dynamite Blasting Caps - Dynamite blasting caps may be caused to explode by operating a radio within 500 feet of the blasting caps. Always obey the "Turn Off Two-Way Radios" signs posted where dynamite is being used. When transporting blasting caps in your vehicle: a. Carry the blasting caps in a closed metal box with a soft lining. b. Leave the radio OFF whenever the blasting caps are being put into or removed from the vehicle. 4. Liquefied Petroleum (LP) Gas Powered Vehicles - Mobile radio installations in vehicles powered by liquefied petroleum gas with the LP gas container in the trunk or other sealed-off space w…

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360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 41 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX D: OPERATION MANUAL MM101030V2 R1A P ANTHER ™ 300M VHF Mobile Radio Operator’s Manual 2 TABLE OF CONTENTS Page SAFETY TRAINING INFORMATION ..........................................3 TRANSMITTER HAZARDS......................................................5 SAFE DRIVING RECOMMENDATIONS..................................6 OPERATING RULES AND REGULATIONS ..............................7 OPERATING TIPS ...................................................................8 INTRODUCTION..........................................................................9 RADIO INDICATORS ................................................................10 CONTROLS............................................................................10 OPTION BUTTON FUNCTIONS............................................11 HOOKSWITCH FUNCTIONS.................................................13 DISPLAY STATUS AND ERROR CODES ...............................14 BASIC OPERATION..................................................................17 SELECTING A CHANNEL .....................................................17 TRANSMITTING A BASIC CALL ...........................................17 PUBLIC ADDRESS MESSAGE .............................................17 CHANNEL GUARD ................................................................18 SENDING DTMF WITH THE DTMF MICROPHONE.............18 SELECTIVE SIGNALING ..........................................................20 TYPE 99 OPERATION ...........................................................20 PROGRAMMABLE PTT FUNCTIONS......................................22 CHANNEL BUSY LOCKOUT .................................................22 CHANNEL GUARD CHANNEL BUSY LOCKOUT.................22 TYPE 99 DISABLE AFTER PTT ............................................22 IGNITION SENSE TX DISABLE ............................................22 PROGRAMMABLE HORN ALERT FUNCTION .......................23 EXTERNAL ALARMS.............................................................23 RESETTING THE CAR HORN ALERT..................................23 CAR HORN ALERT IGNITION SENSE OPTION ..................23 CLONING...................................................................................24 WARRANTY ..............................................................................25 This manual is published by Com-Net Ericsson Critical Radio Systems, Inc. , without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Com-Net Ericsson Critical Radio Systems, Inc. , at any time and without notice. Such changes will be incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of Com-Net Ericsson Critical Radio Systems, Inc. Copyright © 2001, Com-Net Ericsson Critical Radio Systems, Inc. All rights reserved. 3 SAFETY TRAINING INFORMATION WARNING Your Com-Net Ericsson P ANTHER 300M VHF Mobile 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 Com-Net Ericsson 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. 4 CAUTION To ensure that your exposure 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 damage the radio and may also cause you to exceed FCC RF exposure limits. A proper antenna is the antenna supplied with this radio by Com-Net Ericsson or an antenna specifically authorized by Com-Net Ericsson for use with this radio. • DO NOT transmit 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” LED in the radio display is lit. You can cause the radio to transmit by pressing the PTT button. • ALWAYS use Com-Net Ericsson authorized accessories (antennas, speaker/mics, etc.). Use of unauthorized accessories may cause the FCC Occupational/Controlled Exposure RF compliance to be exceeded. • ALWAYS keep at least 25 cm (10 inches) between the antenna and operator/bystanders while transmitting. This radio has been tested and found compliant with SAR …

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360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 44 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX G: BLOCK DIAGRAM

360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 57 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX J: EXTERNAL EUT PICTURES PHOTOGRAPH 13: FRONT VIEW 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 58 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 14: TOP VIEW 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 59 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 15: REAR VIEW 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 60 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 16: BOTTOM VIEW 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 61 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 17: LEFT SIDE VIEW 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 62 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 18: RIGHT SIDE VIEW

360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 40 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX C: LABEL INFORMATION W ARNING L ABEL Dimensions (L): 39.20 mm MAX, 39.1 mm NOMINAL (W): 13.00 mm MAX, 12.9 mm NOMINAL FCC ID L ABEL Dimensions (L): 39.20 mm MAX, 39.1 mm NOMINAL (W): 16.00 mm MAX, 15.9 mm NOMINAL L OCATION OF L ABEL ON EUT CAUTION: Device must be restricted to occupational use to satisfy FCC RF exposure compliance. See owner’s manual for specific operating requirements. Com-Net Ericsson Serial Number: XXXXXXX FCC ID: OWDTR-0004-A Canada: XXXXXXX Label will be placed on the side of the

360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 47 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX I: INTERNAL EUT PICTURES PHOTOGRAPH 3: INSIDE COVER 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 48 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 4: MAIN PCB IN CHASSIS 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 49 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 5: FRONT SHOWING LCD PCB IN CHASSIS 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 50 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 6: INSIDE CHASSIS 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 51 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 7: LCD PCB FRONT SIDE 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 52 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 8: LCD PCB BACK 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 53 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 9: MAIN PCB TOP WITH SHIELDS 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 54 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 10: MAIN PCB TOP WITH SHIELDS REMOVED 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 55 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 11: MAIN PCB BOTTOM WITH SHIELDS 360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 56 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. PHOTOGRAPH 12: MAIN PCB BOTTOM SHIELDS REMOVED

360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 39 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX B: PRODUCT DESCRIPTION 1. CIRCUIT ANALYSIS The VHF – High split PANTHER 300M (KRD 103 154/2) is a 6-channel, dual-conversion, super- heterodyne FM land mobile radio transceiver operating in the 150 – 174 MHz band. It is designed to meet FCC and Industry Canada regulatory requirements and the land mobile radio industry standard TIA/EIA-603. RECEIVER Receiver Front End The receiver front end comprises the following stages: • The transmitter Low Pass Filter, • A transmit/receive switch controlled by the switching of PIN diodes, • The first Band Pass Filter, • An RF low noise amplifier (LNA), and • A second Band Pass Filter, and a double-balanced first mixer (DBM). These filters, RF LNA, and DBM are designed to provide appropriate filtering to minimize reception of undesired receive signals and provide the appropriate noise figure to allow reception of desired results. Receiver spurious response, sensitivity, and intermodulation performance are greatly affected by the design of the RX front end. The first Local Oscillator (L.O.) signal for the first mixer is generated in the Voltage Controlled Oscillator (VCO) module and amplified in a Local Oscillator amplifier to provide the optimum L.O. drive level to the first mixer. Since this L.O. drive signal is high side injection and the desired first IF frequency is 55.05 MHz, the frequency range of the first L.O. signals are 205.05 – 229.05 MHz. Receiver Back End The back end of the receiver is a dual-conversion receiver with a first IF frequency at 55.05 MHz and a second IF frequency at 450 kHz. The receiver back end has the following stages: • The first IF crystal filter, • A low noise IF amplifier, • A second IF crystal filter, and • A receiver IF/amplifier/limiter IC. These stages provide the desired adjacent channel selectivity, receiver spurious response performance, and demodulation of the analog FM receive signals. The back end has been designed to provide switchable selectivity performance for either 12.5 kHz or 25 kHz channel spaced equipment. This is accomplished by selection of either a wide or narrow 450 kHz ceramic filter. Channel spacing is programmable on a per-channel basis. The receiver IF/amplifier/limiter IC takes the incoming receive signal and mixes it down to the secondary IF frequency 450 kHz. The second L.O. drive signal is normally a low side injection 54.600 MHz signal derived from the synthesizer IC. (An optional 55.500 MHz high side injection signal can be synthesized for improved receiver self-quieting performance on certain frequencies). The FM detector is a quadrature detector that provides recovered receive audio. TRANSMITTER The transmitter is an FM, 40-watt rated transmitter. It can be programmed on a per- channel basis for either 40 or 20 watts. The initial drive level for the transmitter is the VCO. The VCO frequency range is 150 – 174 MHz. The VCO output is amplified in a pre-driver and a driver stage and then input as the drive signal into the Power Amplifier (PA) module. The PA module amplifies the drive signal to approximately 50 watts. The PA output power then is transmitted through a directional coupler that is used for detecting forward and reverse power, the transmit/receive switch, and finally the TX Low Pass Filter. The TX Low Pass Filter properly attenuates the harmonics of the desired carrier to meet FCC TX conducted spurious specifications of ≤20 dBm. The losses through the post-PA stages reduce the output power to a nominal 42 watts. This level is established by the setting of RF power tracking data in the Radio Maintenance software application. (Note: RF power is set ONLY by qualified trained land mobile radio technicians.) Regulating the voltage to the PA and PA driver section, through pass transistor Q404, controls the transmitter output power. The pass transistor is controlled by forward and reverse power feedback loops and the microprocessor power set level. The forward power is sensed using a forward coupler in conjunction with an RF rectifier and a LPF. The reverse power circuitry is similar to the forward power circuit. The microprocessor power set level is determined by the power tracking data table stored in memory. SYNTHESIZER The heart of the synthesizer design is the use of a dual serial input Phase-Locked-Loop Modulo-N Frequency Synthesizer IC (similar to Phillips SA7025). A Temperature Compensated Crystal Oscillator (TCXO) provides the reference frequency for the synthesizer. The TCXO is a 16.8 MHz oscillator, ±2.5 ppm from -30°C to +60°C. The TCXO and the output of the VCO are divided down and phase compared at 6.25 kHz. The synthesizer hardware, along with the radio software, allows TX and RX frequencies to be synthesized on every frequency per CFR Part 90.20 and 90.35 in the applicable band split range. The error voltage provided at the output of the phase detector is filtered by a loop filter to provide a correction voltage to the VCO to set either transmit frequency or receiver L.O. frequency on channel. The loop filter also minimizes spurious input to the VCO. The microprocessor controls whether the loop filter is in a narrow or wide bandwidth. Wide bandwidth allows faster switching of synthesizer frequencies; narrow bandwidth optimizes transmit or receive Hum and Noise performance. BASEBAND PROCESSING Baseband processing is primarily controlled by an Audio Signal Processor (ASP) IC (similar to an AKM AK2344). Recovered receive audio from the FM demodulator is first sent to an a…

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360 Herndon Parkway COMPANY: Com-Net Ericsson Critical Radio Systems, Inc. Suite 1400 FCC ID: OWDTR-0004-A Herndon, VA 20170 MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} http://www.rheintech.com WORK ORDER: 2001057 / QRTL01-031 / {REV-3} Page 43 Note: This report may not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government. Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. APPENDIX F: SCHEMATICS

Engineering and Testing for EMC and Safety Compliance 360 Herndon Parkway, Suite 1400 Herndon, VA 20170 Phone: 703-689-0368; Fax: 703-689-2056; Metro: 703-471-6441 Accredited by the National Voluntary Accreditation Program for the specific scope of accreditation under Lab Code 200061-0. TYPE CERTIFICATION REPORT Com-Net Ericsson Critical Radio Systems, Inc. 3315 Old Forest Road P.O. Box 2000 Lynchburg, VA 24501 804-385 2580 (Bryan McWatters) MODEL: TR-0004-A {Panther 300M VHF (150-174 MHz)} FCC ID: OWDTR-0004-A March 23, 2001 S TANDARDS R EFERENCED FOR THIS R EPORT P ART 2: 1999 F REQUENCY A LLOCATIONS AND R ADIO T REATY M ATTERS ; G ENERAL R ULES AND R EGULATIONS P ART 15: 1999 §15.109: R ADIATED E MISSIONS L IMITS P ART 22: 1998 P UBLIC M OBILES S ERVICES P ART 74: 1998 L OW P OWER A UXILIARY S TATION P ART 90: 1998 P RIVATE L AND M OBILE R ADIO S ERVICES P ART 95 (A): 1998 G ENERAL M OBILE R ADIO S ERVICES ANSI C63.4-1992 S TANDARD F ORMAT M EASUREMENT /T ECHNICAL R EPORT P ERSONAL C OMPUTER AND P ERIPHERALS ANSI/TIA/EIA603- 1992 L AND M OBILE FM OR PM C OMMUNICATIONS E QUIPMENT M EASUREMENT AND P ERFORMANCE S TANDARDS ANSI/TIA/EIA 603-1-1998 A DDENDUM TO ANSI/TIA/EIA 603-1992 RSS-119, Issue 6 2000 L AND M OBILE AND F IXED R ADIO T RANSMITTERS AND R ECEIVERS 27.41 TO 960.0 MH Z RSS-102, Issue 1 1999 E VALUATION P ROCEDURE FOR …

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