Monitor the opening/closing of doors and windows anytime, anywhere with the NB-IoT open close sensor from Efento. Ideal for a wide range of applications, this sensor can be used to; detect presence in restricted areas, identify popular entrances with the highest footfall, alert you to doors and windows which may have been left open or to maintain the security of unoccupied buildings. Speak with us today to get started with NB-IoT, we can supply connectivity and provisioning services designed to simplify your deployments.
