GE Mastr II Nomenclature
A special thanks to Keven K. Custer, W3KKC for this information.
You can find the MASTR II combination number on their ID plate which
is located on the front of the radio to the left of the RF connector. On the same ID
plate you will also find the transmitter ID which is important when IDing a UHF PA deck.
Some UHF PA decks are called "trippler decks" because they tripple the
exciter frequency to produce the desired output frequency.
The first digit is "M" which equates to it's mechanical
packaging which is standard.
The second digit is system voltage, either a "C" for 12
VDC negitive ground or an "X" for 12 VDC positive or negitive ground less
accessories.
Special thanks to Rob, K7TGU for providing the complete GE
nomenclature for the MASTR II mobile radio.
25 - 50 MHz MASTR II
3rd
Power
Output |
4th
Channel
Spacing |
5th
Frequency
Capability |
6th
Number
Frequencies |
7th
Options |
8th & 9th
Frequency
Range |
10th
Oscillator
Stability |
6
30 watts |
4
20 kHz |
A
1 Freq |
A
1 xmit
1 recv |
S
Standard |
12
25 - 30 MHz |
A
±5 ppm |
7
100 watts |
|
C
2 Freq |
B
2 xmit
1 recv |
U
channel guard |
13
30 - 36 MHz |
B
±2 ppm |
|
|
K
8 Freq |
C
2 xmit
2 recv |
N
noise blanker |
23
36 - 42 MHz |
|
|
|
|
D
1 xmit
2 recv |
W
channel guard &
noise blanker |
33
42 - 50 MHz |
|
|
|
|
E
3 xmit
3 recv |
|
|
|
|
|
|
F
4 xmit
4 recv |
|
|
|
|
|
|
G
5 xmit
5 recv |
|
|
|
|
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|
H
6 xmit
6 recv |
|
|
|
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|
J
7 xmit
7 recv |
|
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|
K
8 xmit
8 recv |
|
|
|
66 - 88 MHz MASTR II
3rd
Power
Output |
4th
Channel
Spacing |
5th
Frequency
Capability |
6th
Number
Frequencies |
7th
Options |
8th & 9th
Frequency
Range |
10th
Oscillator
Stability |
5
25 watts |
4
20 kHz |
A
1 Freq |
A
1 xmit
1 recv |
S
Standard |
44
66 - 78 MHz |
A
±5 ppm |
|
|
C
2 Freq |
B
2 xmit
1 recv |
U
channel guard |
45
77 - 88 MHz |
B
±2 ppm |
|
|
K
8 Freq |
C
2 xmit
2 recv |
|
|
|
|
|
|
D
1 xmit
2 recv |
|
|
|
|
|
|
E
3 xmit
3 recv |
|
|
|
|
|
|
F
4 xmit
4 recv |
|
|
|
|
|
|
G
5 xmit
5 recv |
|
|
|
|
|
|
H
6 xmit
6 recv |
|
|
|
|
|
|
J
7 xmit
7 recv |
|
|
|
|
|
|
K
8 xmit
8 recv |
|
|
|
138 - 174 MHz MASTR II
3rd
Power
Output |
4th
Channel
Spacing |
5th
Frequency
Capability |
6th
Number
Frequencies |
7th
Options |
8th & 9th
Frequency
Range |
10th
Oscillator
Stability |
5
35 watts KT-32-A,C
40 watts KT-32-B,K |
6
30 kHz |
A
1 Freq |
A
1 xmit
1 recv |
S
Standard |
56
138 - 150.8 MHz |
A
±5 ppm |
6
65 watts |
|
C
2 Freq |
B
2 xmit
1 recv |
U
channel guard |
66
150.8 - 174 MHz |
B
±2 ppm |
7
110 watts |
|
K
8 Freq |
C
2 xmit
2 recv |
N
noise blanker |
|
C
±5 ppm
PLL |
|
|
|
D
1 xmit
2 recv |
W
channel guard &
noise blanker |
|
D
±2 ppm
PLL |
|
|
|
E
3 xmit
3 recv |
P
UHS receiver |
|
|
|
|
|
F
4 xmit
4 recv |
G
UHS receiver &
channel guard |
|
|
|
|
|
G
5 xmit
5 recv |
|
|
|
|
|
|
H
6 xmit
6 recv |
|
|
|
|
|
|
J
7 xmit
7 recv |
|
|
|
|
|
|
K
8 xmit
8 recv |
|
|
|
406 - 420 & 450 - 512 MHz MASTR
II (40 Watts)
450 - 512 MHz MASTR II (20 Watts)
Transmitter ID's: KT-35-A,C - KT-36-A,C
(These are the trippler type PA decks)
3rd
Power
Output |
4th
Channel
Spacing |
5th
Frequency
Capability |
6th
Number
Frequencies |
7th
Options |
8th
& 9th
Frequency
Range |
10th
Oscillator
Stability |
5
20 watts |
5
25 kHz |
A
1 Freq |
A
1 xmit
1 recv |
S
Standard |
77
406 - 420 MHz |
A
±5 ppm |
6
40 watts |
|
C
2 Freq |
B
2 xmit
1 recv |
U
channel guard |
88
450 - 470 MHz |
B
±2 ppm |
|
|
K
8 Freq |
C
2 xmit
2 recv |
P
UHS receiver |
89
470 - 494 MHz |
|
|
|
|
D
1 xmit
2 recv |
G
UHS receiver &
channel guard |
91
494 - 512 MHz |
|
|
|
|
E
3 xmit
3 recv |
|
|
|
|
|
|
F
4 xmit
4 recv |
|
|
|
|
|
|
G
5 xmit
5 recv |
|
|
|
|
|
|
H
6 xmit
6 recv |
|
|
|
|
|
|
J
7 xmit
7 recv |
|
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|
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K
8 xmit
8 recv |
|
|
|
406 - 512 MHz MASTR II
Transmitter ID's: KT-35-B,D - KT-36-B,D - KT-37-A,C - KT-112-A,C
3rd
Power
Output |
4th
Channel
Spacing |
5th
Frequency
Capability |
6th
Number
Frequencies |
7th
Options |
8th & 9th
Frequency
Range |
10th
Oscillator
Stability |
4
20 watts |
5
25 kHz |
A
1 Freq |
A
1 xmit
1 recv |
S
Standard |
77
406 - 420 MHz |
A
±5 ppm |
5
40 watts |
|
C
2 Freq |
B
2 xmit
1 recv |
U
channel guard |
78
420 - 450 MHz |
B
±2 ppm |
6
75 watts |
|
K
8 Freq |
C
2 xmit
2 recv |
P
UHS receiver |
88
450 - 470 MHz |
|
7
100 watts |
|
|
D
1 xmit
2 recv |
G
UHS receiver &
channel guard |
89
470 - 494 MHz |
|
|
|
|
E
3 xmit
3 recv |
|
91
494 - 512 MHz |
|
|
|
|
F
4 xmit
4 recv |
|
|
|
|
|
|
G
5 xmit
5 recv |
|
|
|
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|
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H
6 xmit
6 recv |
|
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J
7 xmit
7 recv |
|
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K
8 xmit
8 recv |
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