For GPRS, GSM and IP support refer to table below
 Supports StayD mode
 4-wire expansion bus
 Expandable to 32 zones 
 2 partitions (1 partition when used with K636 keypad)
 32 user codes
 1.1A switching power supply 
  Multiple phone numbers: 3 for monitoring station, 5 for personal dialing and 1 for pager reporting 
  256 events buffered 

    K32
Compatible with E55/E65, MG5000, MG5050 and Spectra SP series
 Supports StayD Mode 
 32-zone LED display 
 Separate Arm, Sleep, Stay and Off LEDs per partition 
 In-field firmware upgrade via 307USB and WinLoad 
 1 keypad zone input 
 Independently set chime zones 
 7 one-touch action buttons 
 3 keypad-activated panic alarms 
 Adjustable backlight 
 Connects to 4-wire communication bus

   ZX8
Compatible with MG Series, SP Series, E Series, and Digiplex EVO
 Add 8 zones
 1 PGM output
 Use zone input as an anti-tamper switch input