Optex WNX-40HW Compatible AT&T Security Systems
Honeywell L5210PK-3G
LTE Wireless Security System, 3 Door/Window Sensors
Honeywell L5210PK-WIFI-LTE-A
Dual Path (AT&T LTE, IP) Wireless Alarm w/ 3 Door/Window Sensors
Honeywell L5210PK10-3G
LTE Cellular, Wireless Alarm System w/ 10 Door/Window Sensors
Honeywell L5210PK10-WIFI-3G
Dual Path (IP, LTE) Wireless Alarm w/ 10 Door/Window Sensors