[Interface Signal]：RS485/RS232

[Operating Voltage]：DC 8-28V

[Transmit Power]： 20dBm

[Communication Distance]：1.3km

[Size]：66*68*21mm

[Product weight]： 64 ± 5g

[Introduction]：The EWD181-Z20 (232/485) is a wireless radio based on ZigBee 3.0 technology, offering multiple functions such as transparent transmission and protocol transmission. It provides real-time, reliable data transmission of monitoring signals under special conditions, while offering low cost and easy installation and maintenance. It is coated with conformal coating for mildew resistance, moisture resistance, and salt spray resistance.