The RFM69W-433S2 is a high-performance RF transceiver module from Hope Microelectronics. The module operates in the 433MHz ISM band, and is equipped with a built-in antenna as well as RF signal-processing circuitry. It includes on-board baseband processing, a powerful data rate engine, Manchester coding, and crypto-security features. The transceiver is also capable of low-data rate transmission and reception of OQPSK signal waveforms. The module is suitable for a variety of wireless applications, including remote control, alarm systems, smart metering, and automotive applications.