DL-RTS4438BA-433M with Wireless Modules Module RoHS manufactured by DreamLNK is a low cost, low power, two-way communication module. It is designed for use in applications such as remote sensing, home automation, and security. It operates in the unlicensed ISM 433 MHz band and supports both data and audio communications. It has a 256 byte receive FIFO and a 128 byte transmit FIFO, and is capable of transmitting up to 26dBm (100mW) of power. It is RoHS compliant, and designed to meet ETSI EN-300-220 and FCC Part 15 requirements. Features include high sensitivity (-117 dBm), high link budget (105 dB), high data rate (2 Mbps max), low power (32 mA @ +26 dBm), and low cost.