Transmitter Solutions Monarch 433TSPW2K Gate Opener Keychain Remote Features include a maroon cover, two-button, keychain model, programmable, and 433 MHz frequency garage door remotes emote Solutions offers Radio Remotes that are compatible with the major brands on the market as well as discontinued items Every remote, whether it's a dip switch or programmable model, is designed for absolute compatibility with designated receivers The products are matched to the wireless technology used, frequency, and number of buttons, so you'll find exactly what you need