【COMPATIBILITY】The RB741 Single Button Door Opener Remote Control is an upgrade accessory for your GTO Mighty Mule Gate opener. 【EASY DIY】Works on 318MHZ frequency, with 9 DIP switches of 3 positions. Just manually open the lid, follow the instructions, match the switch inside the unit to your existing remote, and you’re ready to go. You can also search for RB741 on YouTube for a video installation reference. 【MORE CONVENIENT】The super signal range makes RB741 FM135 remote control work up to 100 feet, open or close the door, you don’t need the key or manual, successfully free your hands. which is great for an additional user or for a replacement. 【APPLICABLE MODELS】GTO: 2000xl, 3000xl… Mighty Mule: 350, 500, 502, MM260, MM271, MM360, MM371W, MM372W, MM560, MM562, MM571W, MM572W, MM600, MM660 etc. Note: This RB741 part is not OEM, but has been tested for a year with upgraded quality and signal range, and the brand names and any associated model names mentioned above are only used to illustrate compatibility. 【Compatibility】RB741 FM135 gate opener remote control compatible with GTO Mighty Mule gate openers, such as Model 350 ,500 , 502 ,MM260 ,MM271, MM360,MM371W ,MM372W ,MM560 ,MM562 ,MM571W ,MM572W ,MM600 ,MM660 ,FM200 ,FB250 ,FM350 ,FM352 ,FM500 ,FM502 ,oldFM700&FM702 etc.9 DIP switches of 3 positions, operated on 318MHZ frequency.The RB741 FM135 Remote Control Transmitter incorporates cutting-edge RF technology, enhanced security through +2.0 code repair technology, and an extended remote control range of up to 100 feet. It also features 9 DPI switches for improved security and user-friendliness, ensuring the safety of your property.