Qolsys IQ4 Hub, AT&T LTE, Honeywell & 2GIG Compatible Battery Operated Heat Alarm Sensors
Honeywell 5809
Wireless Heat Detector
2GIG SMKT3-345
Wireless 2GIG Smoke, Heat, & Freeze Detector
2GIG SMKT2-345
Wireless Smoke and Heat Detector
Honeywell 5809FXT
Wireless Fixed Temp Heat Detector