Infineon

Fully integrated frequency synthesizer VCO without external components High efficiency power amplifier Typically 10 dBm @ 3 V Switchable frequency range 868-870/433-435 MHz ASK/FSK modulation Low supply current typ. 13 mA@3V Voltage supply range 2.1 - 4 V Power down mode Low voltage sensor Selectable crystal oscillator 6.78 MHz/13.56 MHz Programmable divided clock output for μC Low external component count