The Model DT-4A 4-Channel Visor Transmitter is a wireless radio control designed for use with automatic garage/gate operators and access control systems. The transmitter can be used with one four-channel receiver (DR4), two two-channel receivers (DR2) or four single-channel receivers (DR, DRQP or DRM).
- Activates four separate Delta-3 receivers
- Can also be used as remote UP, DOWN, and STOP control for commercial operators
- Test/operate LED
- Visor mounting clip supplied
- Power: 9-volt battery
- Codes: 64 (set by dip switches)
- RF frequency: 310 MHz