Profile: Spectre (Communications) Ltd specializes in offering antennas and batteries. We also provide sensors, biometrics, positioning, audio visual, controllers, processors, powerline and development kits. Our HAL805 programmable hall effect sensors features high-precision linear hall effect sensor with ratiometric output & digital signal processing, multiple programmable magnetic characteristics in a non-volatile memory (EEPROM) with redundancy & lock function and open-circuit detection.