Control Head Options
SRM9010 Control Mic
PMR and Trunking
10 Channels

SRM9020 Control Mic
PMR and Trunking
100 Channels
6 Character LCD display
4 User defined function buttons
SRM9020plus Control Mic
PMR and Trunking
100 Channels
Large improved 6 character LCD
4 User defined function buttons

SRM9022 Control Mic
PMR/MPT Trunking/P25
1000 Channels
Programmable Function Buttons
Numeric Keypad
SRM9030
Control Head
PMR/MPT Trunking/P25
1000 channels
Display: 8 lines x 14 characters