The T18-433M with Antennas RoHS manufactured by DreamLNK is a wireless transceiver module. It operates in the 433MHz range and has a compatible protocol. This module is compliant with RoHS, has a built-in PCB antenna, and can be used with external antennas. It has a customizable power module, and the output power can be adjusted in 8 levels. The average power consumption is 25mA when transmitting and 5mA when receiving. The module supports various working modes, including three working modes, data transmission, data receiving, and sleep mode. Additionally, there is a low-power wake-up function. The operating temperature range is -40 to 85°C and the storage temperature range is -40 to 120°C.