Includes:
1 - FT-237 Table Mount
1 - BC-604/684 Transmitter
2 - BC-603/683 Receivers
 
The operating frequencies were different but the SCR-508(Armor - VHF FM 20-27.9) and SCR-608 (Artillery - VHF FM 27-38.9) were visually identical externally. 
 
Which radio set do I need?
Armored Vehicle - Standard - SCR-528/628
Armored Vehicle - Commander - SCR-508/608
Soft Skin Vehicles (eg Halftrack, Weasel, Jeep, Command Car, etc.. )
- Add FT-284 Legs to the existing FT-237 Table
- Or enclose the radio components in a CH-74 cabinet with FT-284 Legs
 
You may also need:
- T-17 Microphone
- HS-30 Headset