These units can detect a person lighting up and transmit a text message at unlimited distance.  Staff can receive text immediately and catch smoker in the act or can track infractions.

Text messaging works with detector models ending with "60" such as 7460. Select from any of these models:
   7460 - Surface Mount
   7860 - Speaker Grill
   7960 - Air Vent

Smoking Detector Systems:  Selection Guide . Internal Alarm . Common Courtesy .
Short Range Wireless . Hardwired . Wireless Paging System . Text Messaging .
Evidence Collection . Smoke Detector . Second-Hand Smoke . Vehicle
Cigarette Smoke Detector Housing Styles: Smoke Detector Shell . Surface Mount .
Fake Sprinkler Head . Deodorizer Mount . Air Vent . Speaker Grill
Receivers:  All Receivers . Short Range . Wired . Long Range Wireless/Paging . Texting