MI7-ECSDR4BSTXUHF Base Station Data Radio

4 4 0 0 0 0 - - 5 5 1 1 2 2 M M H H z z B B a a s s e e S S t t a a t t i i o o n n D D a a t t a a R R a a d d i i o o Owner’s Manual Date Prepared: March 1, 2000 Document Control #: DC-95 Version: C-1 (Special Release) Copyright 2000-2002 IP MobileNet, Inc. 16842 Von Karman Avenue, Suite 200 ‚ Irvine, CA 92606 Voice: (949) 417-4590 Fax: (949) 417-4591 TABLE OF CONTENTS ~\Technical Documentation\System Manuals\FCC-Reports\IP1B-FCCRpt.doc Page 2 SECTION 1: THEORY OF OPERATION.................................................................................. 3 General Block Diagram........................................................................................................... 3 General Block Diagram Definitions ................................................................................ 3 DR4B Base Station Data Radio Circuitry ....................................................................... 5 System Controller ................................................................................................ 5 Input/Output ......................................................................................................... 5 Modem Switching................................................................................................. 6 Modem ................................................................................................................. 6 Diversity Reception Controller ............................................................................. 6 Receive Signal Strength Indication Comparator .................................................. 7 Baseband............................................................................................................. 8 Receiver Board .................................................................................................... 8 IF Amplifier........................................................................................................... 9 Receiver Injection ................................................................................................ 9 Exciter ................................................................................................................ 10 Analog Modulation ............................................................................................. 10 Phase Locked Loop ........................................................................................... 11 Power Amplifier.................................................................................................. 11 SECTION 2: FACTORY TEST PROCEDURE........................................................................ 12 Equipment List........................................................................................................... 12 Programming and Configuring the Base Station Data Radio................................ 13 Adjustment / Alignment Procedure.......................................................................... 14 Receiver Injection ............................................................................................. 14 Receiver 1 ........................................................................................................ 14 Diversity Reception Controller .......................................................................... 14 Receive Data .................................................................................................... 15 Exciter ............................................................................................................ 16 Power Amplifier ................................................................................................ 16 SECTION 3: FCC LABEL....................................................................................................... 17 DR4B Base Station Data Radio FCC Label Placement........................................... 17 DR4B Base Station Data Radio FCC Label.............................................................. 17 APPENDIX A: DR4B BASE STATION DATA RADIO CIRCUIT BOARD DIAGRAM............ 18 SECTION 1: THEORY OF OPERATION ~\Technical Documentation\System Manuals\FCC-Reports\DR4B-FCCRpt.doc Page 3  General Block Diagram General Block Diagram Definitions For increased data security, the modem supports the U.S. Government developed Digital Encryption Standard (DES) data encryption and decryption protocols. The standard Base Station Data Radio circuit board contains eight (8) sections defined below: Input/Output Circuitry associated with the base station’s DB25 data connector providing all of the RS232 data and handshake functions, including the necessary RS232 to logic level changes. System Controller Manages the operation of the base station loading selected transmit/ receive frequencies into the injection synthesizer, controls the operation of the modem and provides transmit timeout protection in the event a fault causes the radio to become stuck in the transmit mode. Includes memory for storage of base station operating parameters. Electrically erasable programmable read only memory (EEPROM) is used to store parameters entered by the technician such as channel numbers and RX/TX frequencies. This information is retained after power is removed from the base station. Transmit Processing Circuitry, which amplifies the analog audio signal from the modem and uses it to modulate a voltage-controlled oscillator (VCO) and reference oscillator in the transmitter synthesizer section. Modulating the VCO and reference oscillator simultaneously results in a higher quality FM signal. SECTION 1: THEORY OF OPERATION ~\Technical Documentation\System Manuals\FCC-Reports\DR4B-FCCRpt.doc Page 4 Modem Converts parallel data into an analog audio waveform for transmission and analog audio from the receiver to serial data. Serial data appears on the base station’s DB25 serial port. The radio supports a 115.2 KBPS data transmission rate on the serial port, SLIP protocol, and a 19.2 KBP…

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2.1033(c)(8) – DC voltages are 13.8 V 2.1033(c)(13) – Modulation is FSK

6 PHOTOGRAPHS AND/OR DRAWINGS SHOWING CONSTRUCTION TECHNIQUES 6.1 Photo: EUT 3D View 6.2 Photo: EUT Top View 6.3 Photo: EUT Front View 6.4 Photo: EUT Rear View 6.5 Photo: EUT Side View 6.6 Photo: EUT Bottom View

SECTION 3: FCC LABEL DR4B Base Station Data Radio FCC Label Placement DR4B Base Station Data Radio FCC Label Placement SECTION 3: FCC LABEL

6.7 Photo: EUT with cover removed (Bottom View) 6.8 Photo: EUT Diversity Reception Controller PCB Top 6.9 Photo: EUT Diversity Reception Controller PCB Bottom 6.10 Photo: EUT RX Injection PCB Top 6.11 Photo: EUT RX Injection PCB Bottom 6.12 Photo: EUT Exciter PCB Top 6.13 Photo: EUT Exciter PCB Bottom 6.14 Photo: EUT System Controller PCB Top 6.15 Photo: EUT System Controller PCB Bottom 6.16 Photo: EUT Power Amplifier PCB Top 6.17 Photo: EUT Power Amplifier PCB Bottom 6.18 Photo: EUT Receiver PCB Top

DR4B Base Station Data Radio Circuitry The DR4B Base Station Data Radio works within the frequency range of 400-512 MHz. The following section provides detail views, descriptions, and key areas on the DR4B Base Station Data Radio circuit board especially useful during troubleshooting. System Controller This section displays the Central Processing Unit (CPU)(U1), clock, and power-on reset circuitry. It provides more processing power than required for future capabilities to be incorporated into the radio without changing processors. Such capabilities include data encryption/decryption (DES), remote fault monitoring, etc. U1 features a 16-bit address bus and 128K of internal flash random access memory (RAM). To enter the programming mode it is necessary to reset the switch (S1) and power up again. CPU operations are controlled by Y2 an 4.9152 MHz clock module. Capacitor (C1) and an internal Schmidt trigger circuit inside of U1 generates the power on reset signal. The RESET* output from U1 drives a latch and decoder found elsewhere on the board. This section displays the RAM, decoder, EEPROM, and programming power supply circuitry. U2 is a 512K x 8 bit static RAM chip, which provides temporary storage of radio configuration data while the power is on. This is necessary in order to program the radio configuration. U2 is controlled directly by the address, data, and control busses from the CPU. Chip U5 decodes the A11-A14 address bus to provide chip selects for the modem and EEPROM memory. Chip U6 is an 8-bit latch. It latches inputs from the D0-D7 bus and lights the front panel status indicators ( TX, CD, RX1, RX2, and RX3). Chip U3 is a serial EEPROM, which provides 2K bits of pre-programmed data storage for the CPU. Data is clocked out of U3 by EECLK, and back into the CPU via EEDATA. A programming power supply is required for the flash RAM inside of the CPU, and this function is performed by U4. This chip is an adjustable voltage regulator with a shutdown control. Resistors R8 and R9 set the output voltage. When the radio configuration data is to be stored in flash RAM, the CPU makes VPP_ENABLE high. This turns on the regulator, producing a 12-volt output via VPP for the flash RAM. This section displays a dedicated processor and voltage regulator. Chip U7 is an optional processor, which permits manual keyboard operation of the radio. It is not used, and may not be installed on the board. Regulator U10 provides 5 volts DC power for all logic circuitry on the System Controller Board. Input/Output This section displays the CPU input/output circuitry. Chip U11 is an RS232 transmitter/receiver, which interfaces the CPU to the Diversity Reception Board via J6. From there, the RS232 data goes directly to a rear panel DB25 connector. U11 converts 5-volt logic-level data to +/-12 volt data in RS232C form, and vice-versa. A charge pump power supply on the chip converts the +5 volt DC power to the +/-12 volt levels required. The charge pump uses capacitors (C28 to C31) to generate voltages.  The RS232 serial port data transmission rate of the base station is 115.2 KBPS. Modem Switching This section displays the connector wiring and modem switching circuitry. Connector J2 is routed to the front-panel TX, CD, and RX1-RX3 LED indicators. The radio will also accept modulation from an external source (modem or amplified microphone audio). Modem This base station uses separate modems for receive and transmit functions so that full-duplex operation may be obtained. The A0-A1 address bus in addition to the individual read (RD*), write (WR*), and chip select (MODEMTXCS*) lines control all three (3) modems. Modem operations are timed by Y2, a 4.9152 MHZ clock module. Modem chip U14 is dedicated to the transmit operation. Data from the D0-D7 bus is read by the chip, and then converted to a 4-level FSK analog signal, which appears on the TXOUT pin. Op amp U21B buffers the signal, which becomes the MODEM_TXMOD output. From this point, the signal is routed to the modulation circuitry on the Exciter Board. Chip U14 has the ability to demodulate receiver audio, although this capability is not used in most systems. Incoming data-bearing audio from the Diversity Reception Controller Board (and selected receiver) appears at DISC_AUDIO. The signal passes through resistor R54 and into the modem chip. Resistor R52 and capacitor C41 serve as feedback elements, limiting both the gain and bandwidth of an amplifier within U14. The modem chip demodulates the audio into 8 bits of data, which exit U14 on the D0-D7 bus. Chip U14 also provides a bias voltage for the analog circuitry on the Exciter Board. This voltage is about 2.5 volts DC, and it appears on the VBIAS line. The purpose of VBIAS is to bias the Exciter Board analog circuitry for proper operation. Please note that if this voltage is low or missing, the Exciter Board circuitry may not work. Modem chip U15 is dedicated to the receive operation. Incoming data-bearing audio from the Diversity Reception Controller Board (and selected receiver) appears at DISC_ AUDIO. The signal passes through resistor R56 and into the modem chip. Resistor R55 and capacitor C46 serve as feedback elements, limiting both the gain and bandwidth of an amplifier within U15. The modem chip breaks down the audio into 8 bits of data, which exit U15 on the D0-D7 bus. Modem chip U16 is also dedicated to the receive operation, although it may not be used in this application. The operation of U16 is exactly the same as U15. Diversity Reception Controller Board This section displays the power supply circuitry and input/output connector wiring. The power supply consists of a diode (CR1), metal oxide varistor (MOV) (CR2), a fuse (F1), and voltage regulators (VR2 and VR3). 13.8 volts DC from the radio’s power connector appears on the anode of CR1. CR1 provides reverse polarity protection, while CR2 absorbs any damaging transient spikes, which appear on the unregulated supply line. F1 provides over-current…

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SECTION 2: FACTORY TEST PROCEDURE Programming and Configuring the Base Station Data Radio Once the appropriate equipment for performing the factory test are gathered, perform the following steps to rpgoram and configure the DR4B Base Station Data Radio: Step 1 Enter the following information on the Base Station Data Radio Performance Test Data Sheet: ƒ Base Station Serial number ƒ Date test being performed ƒ Tester’s name Step 2 At the HyperTerminal window, type in the appropriate password and press [ENTER]. Step 3 Type ? and press [ENTER]. The following example displays in the HyperTerminal window: Host serial = 115200,N,8,1, timeout=200 Host framing = SLIP, no split frames no status messages tunnel = 0 TX format = new Injection = LOW SIDE, 45MHz channel spacing = 25000 Channel = 0 Channel Tx freq Rx freq Inj freq Frequency=0 , 481.000000, 486.000000, 441.000000 Serial number: yyyyyyyyy RIM address = 1 Frequency group = 1 TX quiet time = 5 Symbol sync time = 12 milliseconds, 0 extra inter-split-frame count TX tail time = 5 Radio data rate = 19200 Max data tx time = 60 seconds Carrier detect delay time = 1 millisecond Station ID = ABC123 Station ID time =10 minutes Polarity = TX+, RX+ Allow crc errors = 0 Suppress keep alive = 0 Allow base to base = 0 Timeslot status = 0 Duplicate time = 10 milliseconds Control head grant delay = 50 milliseconds RIM DD delay = 0 milliseconds Retry interval = 0 milliseconds Retry time limit = 0 milliseconds RSSI step = 25 (=19dBm) IPNC = 192.168.3.3 SLIP Address = 192.168.4.6 RF IP Address = 192.168.3.1 SNTP interval = 60 seconds num timeslots = 16 timeslot period = 992ms timeslots per voice packet = 4 noise = -128dBm Fixed TX Delay = 0 milliseconds Scale TX Delay = 0 microseconds SECTION 2: FACTORY TEST PROCEDURE Adjustment / Alignment Procedures Receiver Injection Perform the following steps to adjust the receiver injection and injection frequency: Step 1 Using the HP high frequency probe, verify that the receiver injection frequency is present at each of the three (3) receivers by monitoring the receivers’ R12 surface mount pad which lies on the 50 ohm track between L3 and U3.6. Step 2 Adjust R7 on the receiver injection circuit board to set the injection frequency within 10 Hz of the exact injection frequency. The amplitude of the injection frequency should read approximately +5 dBm ±1 dBm. Receiver 1 Step 1 Using the high frequency probe, monitor the 44.545 MHz second injection frequency at U2 pin 3, adjust trimmer capacitor (C5) to the center of the oscillator’s oscillation range. The amplitude level of pin 3 of U2 should read between +5 and +10 dBm. Step 2 Inject an on-frequency signal at a level of –80 dBm, modulated with a 1 KHz test tone at ±5.0 KHz deviation into the receiver under test. Step 4 While monitoring RSSI at TB1-4 with the digital multi-meter, adjust the trimmer capacitor (C1) for maximum RSSI. The RSSI properly tuned receiver should be approximately 2.8 to 3.4 VDC. Step 5 Check the receiver’s distortion and verify that it is less than 3%. Step 6 Adjust C1 slightly if necessary for minimum distortion. Step 7 Check the receiver’s sensitivity, verifying that the SINAD is 12 dB or better at a maximum level of –119 dBm (-120 is typical). Step 8 Repeat procedure for Receivers 2 and 3. Diversity Reception Controller Step 1 Inject an on-frequency signal at a level equal to Receiver 1 12dB SINAD level, modulated with a 1 KHz test tone at ±5.0 KHz deviation into Receiver 1. Step 2 While monitoring TP1 with the digital multi-meter, adjust RSSI1 low adjust potentiometer (R12) for a reading of 0.750 VDC ±10 mV. Step 3 Increase the amplitude of the signal by 50 dBm. Step 4 While monitoring TP1 with the digital multi-meter, adjust RSSI1 high adjust potentiometer (R11) for a reading of 2.75 VDC ±10 mV. SECTION 2: FACTORY TEST PROCEDURE    Adjustments R11 and R12 are interactive adjustments, therefore continue adjustments until the DC voltage at TP1 is 0.750 VDC for the receiver’s 12 dB SINAD level and 2.75 VDC for a 50 dBm increase from the receiver’s 12 dB SINAD level. Step 5 Inject an on-frequency signal at a level equal to Receiver 2 12dB SINAD level, modulated with a 1 KHz test tone at ±5.0 KHz deviation into Receiver 2. Step 6 While monitoring TP2 with the digital multi-meter, adjust RSSI2 low adjust potentiometer (R10) for a reading of 0.750 VDC ±10 mV. Step 7 Increase the amplitude of the signal by 50 dBm. Step 8 While monitoring TP2 with the digital multi-meter, adjust RSSI2 high adjust potentiometer (R9) for a reading of 2.75 VDC ±10 mV. Adjustments R9 and R10 are interactive adjustments, therefore continue adjustments until the DC voltage at TP2 is 0.750 VDC for the receiver’s 12 dB SINAD level and 2.75 VDC for a 50 dBm increase from the receiver’s 12 dB SINAD level. Step 9 Inject an on-frequency signal at a level equal to Receiver 3 12dB SINAD level, modulated with a 1 KHz test tone at ±5.0 KHz deviation into Receiver 3. Step 10 While monitoring TP3 with the digital multi-meter, adjust RSSI3 low adjust potentiometer (R33) for a reading of 0.750 VDC ±10 mV. Step 11 Increase the amplitude of the signal by 50 dBm. Step 12 While monitoring TP3 with the digital multi-meter, adjust RSSI3 high adjust potentiometer (R35) for a reading of 2.75 VDC ±10 mV. Adjustments R33 and R35 are interactive adjustments, therefore continue adjustments until the DC voltage at TP3 is 0.750 VDC for the receiver’s 12 dB SINAD level and 2.75 VDC for a 50 dBm increase from the receiver’s 12 dB SINAD level. Step 13 Adjust the carrier detect potentiometer (R74) to illuminate a level of –116 dBm. Receive Data Step 1 Using a calibrated mobile radio, generate uplink data messages using the X=2000,19 command in the IP Message Utility program (see the Internet Protocol (IP) Data Transceiver IP4/IP8 System Manual for instructions). Step 2 Attach an antenna to one of the base station’s receiver ports and verify on the base station monitor screen (HyperTerminal) that the r…

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Page 1 of 12 Report No.: FC02-092 IP MOBILENET TEST REPORT FOR THE UHF BASE STATION, IP4 AND IP4B FCC PART 90.210(C) COMPLIANCE DATE OF ISSUE: OCTOBER 24, 2002 PREPARED FOR: IP MobileNet 16842 Von Karman Avenue Suite 200 Irvine, CA 92606 PREPARED BY: Mary Ellen Clayton CKC Laboratories, Inc. 5473A Clouds Rest Mariposa, CA 95338 P.O. No.: 002331-00 W.O. No.: 79493 Date of test: October 21, 2002 Report No.: FC02-092 This report contains a total of 12 pages and may be reproduced in full only. Partial reproduction may only be done with the written consent of CKC Laboratories, Inc. The results in this report apply only to the items tested, as identified herein. Page 2 of 12 Report No.: FC02-092 TABLE OF CONTENTS Administrative Information .............................................................................................3 Summary of Results .........................................................................................................4 Conditions for Compliance ..............................................................................................4 Approvals .........................................................................................................................4 Equipment Under Test (EUT) Description ......................................................................5 Equipment Under Test .....................................................................................................5 Peripheral Devices ...........................................................................................................5 Temperature and Humidity During Testing.....................................................................5 2.1033(c)(14)/2.1053/90.210(c)- Field Strength of Spurious Radiation..........................6 Photograph Showing Radiated Emissions ...........................................................8 Photograph Showing Radiated Emissions ...........................................................9 Photograph Showing Radiated Emissions ...........................................................10 Photograph Showing Radiated Emissions ...........................................................11 Page 3 of 12 Report No.: FC02-092 ADMINISTRATIVE INFORMATION DATE OF TEST: October 21, 2002 DATE OF RECEIPT: October 21, 2002 PURPOSE OF TEST: To demonstrate the compliance of the UHF Base Station, IP4 and IP4B with the requirements for FCC Part 90.210(c) devices. TEST METHOD: FCC Part 90.210(c) FREQUENCY RANGE TESTED: 455 MHz – 3 GHz MANUFACTURER: IP MobileNet 16842 Von Karman Avenue Suite 200 Irvine, CA 92606 REPRESENTATIVE: Bobby Amin TEST LOCATION: CKC Laboratories, Inc. 110 Olinda Place Brea, CA 92621 Page 4 of 12 Report No.: FC02-092 SUMMARY OF RESULTS As received, the IP MobileNet UHF Base Station, IP4 and IP4B was found to be fully compliant with the following standards and specifications: United States ! FCC Part 90.210(c) CONDITIONS FOR COMPLIANCE No modifications to the EUT were necessary to comply. APPROVALS QUALITY ASSURANCE:TEST PERSONNEL: Steve Behm, Director of Engineering ServicesEddie Wong, EMC Engineer Joyce Walker, Quality Assurance Administrative Manager Septimiu Apahidean, EMC/Lab Manager Page 5 of 12 Report No.: FC02-092 EQUIPMENT UNDER TEST (EUT) DESCRIPTION The Mobile and Base Station for UHF tested by CKC Laboratories was representative of a production unit. EQUIPMENT UNDER TEST UHF Base Station Manuf: IP Mobilenet Model: IP4B & IP4 Serial: 0110004 & 4010306 FCC ID: pending PERIPHERAL DEVICES The EUT was tested with the following peripheral device(s): DC Power Supply Manuf: Samlex Model: Sec1223 Serial: 0306-0D01-0638 FCC ID: NA Computer Manuf: Dell Model: TS30T Serial: 0004861P-12961-93B-0517 FCC ID: DoC TEMPERATURE AND HUMIDITY DURING TESTING The temperature during testing was within +15°C and + 35°C. The relative humidity was between 20% and 75%. Page 6 of 12 Report No.: FC02-092 2.1033(c)(14)/2.1053/90.210(c)- FIELD STRENGTH OF SPURIOUS RADIATION Test Conditions: The EUT was placed on the wooden table. Transmitting antenna port was connected to a 50 watts, 50 Ohm load. Receiver antenna port was connected to a 50 ohm terminator. The EUT obtained DC power from a power supply placed under the table. RS232 port was connected to a remote laptop. The EUT transmitted at 40 watts, Tx freq = 455 MHz and Rx freq = 512 MHz. Emission limit = -43+10 Log (p) = 82.3 dBuV/m @ 3 meter. Frequency range of measurement = 455 MHz - 3 GHz. Frequency 455 MHz - 1000 MHz, RBW 120 kHz, VBW 120 kHz; 1000 MHz - 3000 MHz, RBW 1 MHz, VBW 1 MHz. 12 VDC (110 VAC, 60 Hz), 19°C, 64% relative humidity. Test method: Antenna substitution. Selected frequency points from spurious emission at the antenna terminal were evaluated using antenna substitution method. A measuring antenna connected to a spectrum analyzer was placed 3 meters away from the EUT. At the selected frequency, the emission was maximized by rotating the EUT along the vertical axis . Once the maximum emission was found, antenna height of the receiving antenna was varied from 1 – 4 meters. The maximum spurious emission from the EUT was recorded. The EUT was then substituted with a transmitting antenna. A signal generator connected to the transmitting antenna sent CW to the measuring antenna. The measuring antenna height was then varied to locate the maximum field strength. At the maximum field strength antenna height, the RF level of the signal generator was varied to provide a received signal equivalent to the spurious fiend strength of the EUT. The RF output level of the signal generator was noted. The RF power at the antenna feed point was recorded with a spectrum analyzer to eliminate any influence cable loss. To reference the recorded field strength level to a dipole antenna, the recorded power level at the antenna feed point was adjusted by adding antenna gain due to the construction of horn antenna used (antenna gain = 20 Log (f) –antenna factor-29.78 ). From the adjusted equivale…

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Page 1 of 83 Report Number: ELECT-990714F VERIFICATION TEST REPORT for 400 – 512 MHz BASE STATION DATA RADIO MODEL NUMBER: DR4B FCC ID: MI7-ECSDR4BSTX MEASUREMENTS PERFORMED IN ACCORDANCE WITH... FCC TITLE 47, PART 90: Private Land Mobile Radio Services PREPARED FOR: ElectroCom Communications Systems 10400 Pioneer Blvd., Bldg. E2 Santa Fe Springs, California 90670 PREPARED BY: Aegis Labs, Inc. 22431 Antonio Parkway B160-417 Rancho S. Margarita, CA 92688 Contact: Mr. Louis Chagoya Test Report #: ELECT-990714F Test Date(s): July 14, 15, 22 & Oct. 20, 1999 APPENDICES REPORT BODY A B C TOTAL PAGES 38 2 41 2 83 The contents of this report shall not be reproduced except in full, without the written approval of Aegis Labs, Inc. AEGIS LABS, INC 22431 Antonio Parkway B160-417, Rancho Santa Margarita, CA 92688 949-459-7886 TEL 949-459-7869 FAX Page 2 of 83 Report Number: ELECT-990714F TABLE OF CONTENTS COVER PAGE .............................................................................................................................................. 1 TABLE OF CONTENTS ............................................................................................................................... 2 MEASUREMENT / TECHNICAL REPORT SUMMARY .............................................................................. 4 1. GENERAL INFORMATION ...................................................................................................................... 5 1.1 Product Description ................................................................................................................................ 5 1.2 Tested System Details ............................................................................................................................ 5 1.3 Test Facility ............................................................................................................................................. 6 2. TECHNICAL DESCRIPTION ................................................................................................................... 7 2.1 Function of All Active Circuit Devices .................................................................................................... 7 2.2 Circuit Diagram ...................................................................................................................................... 7 2.3 Instruction Manual(s) .............................................................................................................................. 7 3. PRODUCT LABELING ............................................................................................................................. 8 3.1 FCC ID Label ......................................................................................................................................... 8 3.2 Location of Label on EUT ....................................................................................................................... 8 3.3 Information to User ................................................................................................................................. 8 4. SYSTEM TEST CONFIGURATION ......................................................................................................... 9 4.1 Justification ............................................................................................................................................ 9 4.2 EUT Exercise Software/Equipment ........................................................................................................ 9 4.3 Special Accessories ................................................................................................................................ 9 4.4 Equipment Modifications ......................................................................................................................... 9 4.5 Configuration of Tested System ........................................................................................................... 10 5. TEST DATA ............................................................................................................................................ 14 5.1 RF Power Output ................................................................................................................................. 14 5.2 Modulation Characteristics ................................................................................................................... 15 5.3 Occupied Bandwidth ............................................................................................................................. 16 5.4 Spurious Emissions at Antenna Terminals .......................................................................................... 17 5.5 Radiated Spurious Emissi ..................................................................................................................... 18 5.6 Frequency Stability ...................................................................................................…

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