639T Pulsar Compatible Replacement Wall Mounted Transmitter

'The 639T Pulsar Wall-Mounted Transmitter features Open, Close, and Stop functions for up to Nine Doors and operates at 318MHz.'
The 639T Pulsar, which replaces the discontinued 639T Allstar and Allister models, is a wall-mounted transmitter featuring three buttons. These buttons are designated for 'Open', 'Close', and 'Stop' functions of commercial operators, with the 'Stop' button distinctly colored red for easy identification. Additionally, it includes a rotary switch to select the receiver or operator to control. The 639T Pulsar can independently control up to nine three-channel commercial door operators.
Size: 5-3/4″” x 3″” x 2-1/4″”