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