WE2408 is a zero-one -IF direct conversion (zero-IF) receiver structure transceiver. Within the entire RF tuning range , it allows a full-duplex or half duplex communication transmit / receive operation . The Tuning, power management and gain control are all through a standard 3-wire serial interface . WE2408 is suitable for 2.4 GHz phones , 2.4 GHz cordless phones, remote sensing and ISM -band wireless voice / data transmission applications in such products . The main technical features are as follows : * Work in the 2.4 ~ 2.4835 GHz ISM band ; * FM / FSK modulation / demodulation ; * transmitter output power of -3.0 dBm; * the receiver sensitivity of -95 dBm (12 dB Signal to noise distortion ratio ); * power supply voltage of 2.7 ~ 3.3 V; * supply the total current of 76 mA ( receive and transmit , typical) , * standby current of 5 vA.