LiftMaster PPLK1PH Passport 1-Button Mini Proximity Remote Control with Security+ 2.0
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