ITEM NAME:1pc HB100 Microwave Motion Sensor 10.525GHz Doppler Radar Detector IBV.HB100 Microwave Motion Sensor 10.525GHz Doppler Radar Detector for Arduino. Chip: HB100. Type: Microwave Sensor. Microwave Induction Module 1. Application: Automatic Door Start, Car, House Intrusion Alarm, Collision Warning.