Allstar 9931T 318 mhz trinary (+ 0 -) dip switch style garage door opener

Features and Specifications

• Replaces Allstar, Pulsar or Allister brand units model 9931-318 (9 dip switches with 3 position each: +,0,-)
• 1 Button single channel remote transmitter
• 318 MHZ Frequency gate or garage door opener
• Nine (9) 3-positions (trinary) dip switch format