This is a Magic Button opener transmitter which has an operating frequency of 304MHZ. The receiver is a stand-alone one usually located on the motor drive unit or mounted under the ceiling. Both the original receiver and old fashioned bulky remote have been discontinued and replaced with sync kit MK702MB, which comprises one receiver and two remotes. MK701MB includes one remote only.
Existing remotes will not work after the installation of the new receiver.
This one is upgraded to MK702MB.
This one is upgraded to MK701MB.