Infineon

Low supply current (typ. at 868MHz Is = 5.9mA in FSK mode,Is = 5.2mA in ASK mode) Supply voltage range 5V ±10% Power down mode with very low supply current (50nA typ) FSK and ASK demodulation capability Fully integrated VCO and PLL Synthesiser ASK sensitivity < –107dBm Selectable frequency ranges 810 - 870 MHz and 400-440 MHz Limiter with RSSI generation,operating at 10.7MHz Selectable reference frequency 2nd order low pass data filter withexternal capacitors Data slicer with self-adjustingthreshold FSK sensitivity <-100dBm