Look at this garage door openers remote it's universal Skylink Model 66 This garage door opener remote transmitter is universal and replaces these types of opener remotes genie, lift master, linear, multi code, sears, stanley garage opener remotes

Look at the NEWRMC-600 Model This universal garage door opener remote that learns the codes from other garage door opener remote transmitters an garage door openers. Learns different type of car alarm remotes, puts different codes on up to 4 channels on same frequency, glow in the dark buttons. Works on 300, 310, 318 and 390 MHz. Does not replace rolling code transmitters. Must have working garage door opener remote or door transmitter to program