No External Components Except PIN DiodeSupply Voltage Range : 2.5V to 5.5VHigh Sensitivity Due to AGC(Automatic Gain Controller) and ATC (Automatic Threshold Controller)High Immunity against External Light DisturbancesHigh Immunity against Power Supply NoiseAvailable for Carrier Frequencies between 36KHz to 42KHz; adjusted by Resistor Fusing (Other Carrier Frequency Types on Request)TTL and CMOS Compatible