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: MDH25RDC9GB3AE)
Type of
Unit
Model
Series
Freq.
Band
Power
Level
Physical
Packages
Channel
Spacing
Protocol
Feature
Level
Model
Revision
Model
Package
MD H 25
GP240
GP280
GP540
GP580
R
UHF1
(403-
470MHz)
D
4-5W
C
GP240,
GP540,
9
Program-
mable
FB
Privacy Plus
3
GP240,
GP540,
AE
P
(300-400
MHz)
C
3W
H
GP280,
GP580,
6
Non-Pro-
gramma-
ble
FC
Smart Zone
6
GP280,
GP580,
U
800
806-870
MHz)
S
UHF2
(450-527
MHz)
K
(136-174
MHz)
MD = Motorola Internal Use
H = Portable