Alarm Systems

Door/Window Contacts

DC-23-NB-LTE-M is a door contact designed to detect the unauthorized opening and closure of doors or windows. DC-23-NB-LTE-M is multi-functional, with a built-in extension terminal which allows it to be added to an existing wired sensor. DC-23-NB-LTE-M can incorporate NB-IoT / LTE-M technology and send status or alarm signals to the system server via NB-IoT / LTE-M network, offering users system deployment flexibility.