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RFM73 Low Power High Performance 2.4 GHz GFSK Transceiver Features            2400-2483.5 MHz ISM band operation 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 VDD  VSS IREF 11 V

RFM73P-S2 V2.0 RFM73P-S2 Features • 2400-2483.5 MHz ISM band operation • Support 1 and 2 Mbps air data rate • Programmable output power (-5dBm to +20dBm) • Low power consumption • Variable payload length from 1 to 32bytes • Automatic packet processing • 6 data pipes for 1:6 star networks • 4-pin SPI interface with maximum 8 MHz clock rate • DIP-10pin and SMD-10pin Package V2.0 Low Power High Performance 2.4 GHz GFSK Transceiver Module RFM73P-S2 Applications • • • • • Wireless PC peripher