831T-288 Allstar Wall Mounted Transmitter.
Open, Close, Stop is for One Door
 
Note: This is a 288FL, 288MHz frequency wall transmitter.
 
The 831T-288 transmitter has three buttons for Open, Close, and Stop commercial operator functions, The stop button is colored red for easy identification.
 
One three channel commercial door or gate receivers can be independently controlled by the 831T-288 transmitter.
 
The 831T-288 is compatible with 288FL and 288MHz commercial receivers only.