At Digi-Code we produce a high-quality line up of Multi-Code, Delta 3, Genie, Liftmaster, Chamberlain, Sears Craftsman, MVP, Allstar, GTO, Mighty Mule and Stanley compatible visor transmitters. They are available in multiple channel models in 300MHz, 310MHz 315 MHz, 318MHz, and 390 MHz radio frequencies and feature rolling code as well as binary and trinary code switches for the ultimate in security. Proudly manufactured in the USA and backed by an 18-month manufacturer’s warranty.