Features:
- Digital Display Communications Control with 8.33 khz spacing designed for use with Pro Line II communications transceivers such as VHF-21C, VHF-21D, VHF-22C and VHF-22D
- Can be direct replacement for CTL-22 w/ minor wiring change
- Serial tune control unit
- Provides active and preset frequency display
- Six frequency memory storage beside active and preset frequency
- Squelch control (SQ OFF)