Copyright © June 1994, Ericsson GE Mobile Communications Inc.
TABLE OF CONTENTS
Page
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
REGULATORY APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SYNTHESIZER/INTERCONNECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TRANSMITTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
RECEIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SYSTEM CONTROL LOGIC FUNCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SYSTEM INTERCONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
ILLUSTRATIONS
Figure 1 - ORION Mobile Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
SPECIFICATIONS*
Frequency Range:
806-825 MHz (TX)
851-870 MHz (TX and RX)
Battery Drain:
Receiver
Squelched 1.1 Amperes at 13.8 Volts
Unsquelched 3.0 Amperes at 13.8 Volts (15 Watts Output)
Transmitter
12 Watts 7 Amperes at 13.6 Volts
30 Watts 14 Amperes at 13.6 Volts
Frequency Stability:
0.00015%
Temperature Range:
-30°C (-22°F) to +60°C (+140°F)
Duty Cycle:
80% Receive, 20% Transmit
Transmitter
Transmit Output Power:
12/35 Watts (806-825 MHz)
12/30 Watts (851-870 MHz)
Conducted Spurious:
-70 dB
Modulation: ±
5 kHz,
±
4 kHz on NPSPAC Channels
Audio Sensitivity:
55 to 110 millivolts
Audio Frequency
Characteristics:
Within +1 dB to -4.5 dB of a 6 dB/octave pre-emphasis from 300
Hz to 3000 Hz per EIA. Post-limiter filter per FCC and EIA.
Distortion:
Less than 2% (1000 Hz)
Less than 5% (3000 Hz)
Deviation Symmetry:
0.3 kHz maximum
Maximum Frequency Separation:
19 MHz (806-825 MHz) TX
19 MHz (851-870 MHz) TX
Microphone Load Impedance:
600 Ohms
Power Adjust Range:
100% to 50% of rated power
RF Output Impedance:
50 Ohms
FM Noise:
45 dB
Carrier Attack Time:
50 milliseconds
Audio Attack Time:
50 milliseconds
Channel Guard TX Tone Distortion:
5%
Continued
Repairs 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.
NOTE
The software contained in this device is copyrighted by Ericsson GE Mobile Communications Inc. Unpublished rights
are reserved under the copyright laws of the United States.
NOTICE!
This manual is published by
Ericsson GE Mobile Communications Inc.
, without any warranty. Improvements and
changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to pro-
grams and/or equipment, may be made by
Ericsson GE Mobile Communications 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 transmit-
ted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, with-
out the express written permission of
Ericsson GE Mobile Communications Inc.
LBI-38902
1
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