This product is a coordinator in wireless sensor network, which is used with JWSK-8 series wireless temperature and humidity sensors, and completely meets ZigBee protocol. Through wireless communication, it receives data collected by remote temperature and humidity sensors, and forwards it to the upper computer via serial port. This product has a beautiful appearance and a metal shell. It supports the standard MODBUS-RTU protocol (within 24 nodes). It can be used one-to-many. When multiple networks exist simultaneously, multiple communication channels can be set to avoid mutual interference.