1-4 Introduction
1.3 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.
Example: AAM25RHC9AA1AN
Table 1-1:  Radio Model Number 
Type 
of 
Unit
Model 
Series
Freq. 
Band
Power 
Level
Physical 
Packages
Channel 
Spacing
Protocol
Feature 
Level
Model
Revision
Model 
Package
AA  M 25 K
VHF
(136-
174MHz)
H
1-
25W
A
No 
Display, 
No Keypad
9 AA 1
4 Chan.
A N
R
UHF1
(403-
470MHz)
K
25-
40W
C
No Display
Basic Key-
pad
DU
LTR
2
64 Chan.
S
UHF2
(450-
512MHz)
D
1-Line 
Display, 
Limited 
Keypad
DP
PassPort
5
128 
Chan.
B
Low 
Band, R1 
(29.7-
36.0MHz)
F
1-Line 
Display, 
Standard 
Keypad
6
160 
Chan.
LTR/
Passport
w/MDC 
on Conv.
C
Low 
Band, R2 
(36.0-
42.0MHz)
8
160 
Chan.
D
Low 
Band, R3 
(42.0-
50.0MHz)
AA = Motorola Internal Use
M = Mobile
Programmable
Conventional