LiftMaster PPLK1 Passport 1-Button Mini Remote Control with Security+ 2.0
size 1-3/8 wide, 2-1/2 tall, 1/2" thick
Narrow-band transmission on 3 simultaneous frequencies (310 MHz, 315 MHz, 390 MHz)
Compatible with LiftMaster: commercial receivers (850LM, 860LM, PPWR, STAR1000),
Security+ 2.0 Gate Operators, and Security+ 2.0 Garage Door Openers
I use the remote while bicycling to be able to get in my gated community.
Easy to program works great