The RFM64B is a low cost transceiver module operating in the 433MHz frequency bands. The RFM64B is optimized for very low power consumption (3mA in receiver mode). It incorporates a baseband modem with data rates up to 150 kb/s. Data handling features include a sixty-four byte FIFO, packet handling, automatic CRC generation and data whitening. All major RF communication parameters are programmable and most of them may be dynamically set. It complies with European (ETSI EN 300-220 V2.1.1) and North American(FCC part15.247 and 15.249) regulatory standards.