Motorola GM300 Series Basic Service Manual

1-4 INTRODUCTION
3.0 Radio Model Information
The model number and serial number are located on a label attached to the back of your radio. You
can determine the RF output power, frequency band, protocols, and physical packages. The
example below shows one portable radio model number and its specific characteristics.
Table 1-1 Radio Model Number (Example: MDM25KHC9AN1AE)
Type of
Unit
Model
Series
Freq.
Band
Power
Level
Physical
Packages
Channel
Spacing
Protocol
Feature
Level
Model
Revision
Model
Package
MD M 25 K
VHF
(136-
174MHz)
H
1-25W
C
GM140
GM340
GM640
9
Program-
mable
AA
Conventional
MDC
1
GM140
GM340
GM640
AE
R
UHF1
(403-
470MHz)
K
40-60W
F
GM160
GM360
GM660
AN
5 Tone
5
GM160
GM360
GM660.
B
LB1
(29.7-
36.0MHz)
N
GM380
GM1280
CK
MPT
8
GM380
GM1280
C
LB2
(36.0-
42.0MHz)
D
LB3
(42.0-50.0
MHz)
MD = Motorola Internal Use
M = Mobile

Motorola GM300 Series Specifications

General

Frequency Range	VHF: 136-174 MHz, UHF: 403-470 MHz
Channel Spacing	12.5 / 25 kHz
Power Output UHF	1-25 W
Weight	2.2 lbs (1 kg)
Modulation	FM
Battery Life	N/A (Mobile radio)
Operating Temperature	-22°F to +140°F (-30°C to +60°C)