It provided a 2-bit resolution capability with this ic receiver.As a general rule, this receiver has a resolution of 2 bits that is usually specified.To power the ic receiver, sufficient current but not more than 25 mA should be supplied to its VCC pin.In ic receiver, the interface IC type used for managing and controlling information sharing is LINE TRANSCEIVER.An rf transceiver module based on this design contains 16 terminals, including external ones.