The following tables show what the different model numbers mean for Syntor VHF/UHF.
To determine the Frequency and Power check the model number in the charts below.

Example -

    T43SRA1000AK

    T
    43 - Power Frequency
    S
    R
    A
    1  - Squelch Type
    0  - Number of Channel
    0
    0
    A
    K

To decode the model numbers here are the keys for UHF and VHF radios
 
 

Power And Frequency

Type	Power/Freq
43	40W VHF
63	75W VHF
83	110W VHF
34	30W UHF
44	50W UHF
64	75W UHF
74	100W UHF

 

Squelch Type

Type	Squelch Mode
1	Carrier
3	PL
6	DPL

 

Syntor Mode Count Options

Type	Modes
0	1
9	4
2	8
8	12
D	16
J	32

 

The following Tables list the ranges of VHF and UHF radios as well as the Main Chassis and Synthesizer. This helps to determine the range of the radios. You can also get a pretty good idea by looking at the frequency chart that is often stuck on the lid of the synthesizer lid.
 

Syntor VHF Ranges and Options

Range	Chassis	Synthesizer	Frequency mhz
I	HUD1036A	HLD1009A	136-144
II	HUD1037A	HLD1019A	146-150.8
III	HUD1038A	HLD1029A	150.8-162
IV	HUD1039A	HLD1038A	162-174

 

Syntor UHF 30W Ranges and Options

Range	Chassis	Synthesizer	Frequency mhz
I	HUE1036A	HLE1045A	403-430
II	HUE1037A	HLE1046A	450-470
III	HUE1038A	HLE1047A	470-494
IV	HUE1039A	HLE1048A	494-512

 

Syntor UHF 50W Ranges and Options

Range	Chassis	Synthesizer	Frequency mhz
I	HUE1041A	HLE1045A	403-430
II	HUE1042A	HLE1046A	450-470
III	HUE1043A	HLE1047A	470-494
IV	HUE1044A	HLE1048A	494-512

 

Syntor UHF 75/100W Ranges and Options

Range	Chassis	Synthesizer	Frequency mhz
I	HUE1046A	HLE1045A	403-430
II	HUE1047A	HLE1046A	450-470
III	HUE1048A	HLE1047A	470-494
IV	HUE1049A	HLE1048A	494-512

 

Rotary Control Heads

Modes	Head
1	HCN1004A
4	HCN1005A
8	HCN1009A
12	HCN1007A
16	HCN1011A
32	HCN1018A