LiftMaster 878MAX Wireless Keypad exa-2000 antenna It has been replaced by

It has been replaced by the new SlideDriver II SD15

Excitation Frequency: Transmit and Receive - 125 kHz

or you can use it in conjunction with user cards and PINS

Frequency: 433 MHz

whether servicing a 110V slide gate

LiftMaster 878MAX Wireless Keypad exa-2000 antenna It has been replaced byLiftMaster 878MAX Wireless Keypad The LiftMaster 878MAX Wireless Keyless Entry System has convenient access to your garage without using a remote control or key. It also has a personal four digit pin code that allows for easy entry. The 878MAX easily syncs to your existing opener's frequency. Note: This product is compatible only with Security+ and Security 2. 0 systems. It will not work with Security+ 3. 0 operators. Manufacturer's Warranty Period 1