Qolsys IQ Panel 4 345 Mhz in White AT&T LTE 3-1 Kit 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