Low Power High Performance 2.4 GHz GFSK Transceiver  
Features    
 2400-2483.5 MHz ISM band operation   VDD   VSS  IREF  Support 250Kbps, 1Mbps and 2 Mbps air  data rate  Programmable output power  Low power consumption  Tolerate +/- 60ppm 16 MHz crystal  Variable payload length from 1 to32bytes  Automatic packet processing  6 data pipes for 1:6 star networks  1.9V to 3.6V power supply  4-pin SPI interface with maximum 8MHz clock rate  Compact 20-pin 3x3 or 4x4mm QFN package      RFP  11   VDDPA 6 7 8 9  10  
Applications  
IRQ  
VDD  
VSS  
XTALP   XTALN   
 Wireless PC peripherals  Wireless mice and keyboards  Wireless gamepads  Wireless audio  VOIP and wireless headsets   
Block Diagram 
 Remote controls  Consumer electronics  Home automation  Toys  Personal health and entertainment