... complete, small size and low power comsuption. Integrated with necessary peripheral components, the users control the chip ... to achieve functions of wireless data transmitting, receving and RF parameter settings. Basic Features: Complete FSK, GFSK, MSK ... NSEL,NIRQ,SDN) SPI Compatible Control Interface Low-power Task Cyclic Pattern, Wake-up Timer, Low ... in the year of 2009. RF UHF Transceiver Module