GTO remotes are the gto RB741, gto RB742, and gto RB743 garage door opener keychain remotes that work on 318mhz and use 9 dip switch trinary settings to set the code to. GTO is made by the Mighty Mule company and offers gate openers and garage door opener remotes that operate on 318 Mhz and have 9 trinary dip switches. There are several cheaper compatible remotes available to the consumer. The Allstar QuickCode Universal Remote is the most recognized compatible remote on the market. Also, the carper 318T is a one button mini remote opener that will work for GTO remotes. Check out our help section to see how to program your GTO remotes and other Mighty Mule garage door opener products.