Motorola GM Series 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 mobile 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
AN
Conventional
5 Tone
1
GM140
GM340
GM640
AE
R
UHF 1
(403-
470MHz)
K
25-40W
40-60W
N
GM380,
GM1280
AA
Conventional
MDC
O
Databox
(5Tone)
S
UHF 2
(450-
527MHz)
F
GM160
GM360
GM660
CK
MPT
5
GM160
GM360
GM660
B
LB1
29-36MHz
A
Databox
8
GM380
GM1280
C
LB2
36-42MHz
7
Databox
(MPT)
D
LB3
42-50MHz
MD = Motorola Internal Use
M = Mobile

Motorola GM Series Specifications

General

Channels	16
Waterproof	No
Frequency Range	VHF: 136-174 MHz
Signaling	DTMF, MDC1200
Dimensions	56 x 175 x 218 mm