GE Mastr II UHF Mobile Nomenclature

1st digit - Mechanical Package

M = Standard

2nd digit - Operating Voltage

C = +12VDC, Neg Gnd

X = ± 12VDC, Less accessories

3rd digit - Output Power

4 = 20 Watts

5 = 40 Watts

6 = 75 Watts

7 = 100 Watts

4th digit - Channel Spacing

5 = 25 kHz

5th digit - Control

A = 1-Freq

C = 2-Freq

K = 8-Freq

6th digit - Number of Freqs.

A = 1-Freq Xmit, 1-Freq Rcv

B = 2-Freq Xmit, 1-Freq Rcv

C = 2-Freq Xmit, 2-Freq Rcv

D = 1-Freq Xmit, 2-Freq Rcv

E = 3-Freq Xmit, 3-Freq Rcv

F = 4-Freq Xmit, 4-Freq Rcv

G = 5-Freq Xmit, 5-Freq Rcv

H = 6-Freq Xmit, 6-Freq Rcv

J = 7-Freq Xmit, 7-Freq Rcv

K = 8-Freq Xmit, 8-Freq Rcv

7th digit - Options

S = Standard

U = Channel Guard

P = UHS Receiver

Q = UHS Receiver & Channel Guard

8th & 9th digits - Frequency range

77 = 406 -- 420 MHz

88 = 450 -- 470 MHz

89 = 470 -- 494 MHz

91 = 494 -- 512 MHz

10th digit - Oscillator Stability

A = ± 5 ppm

B = ± 2 ppm