Specifications Outline Communication interface: RS485, screw terminal Power supply: 5 ~ 36V DC, screw terminal Case: PC + ABS, V0 flame retardant grade Dimensions: L × W × H: 109.66 × 28 × 64.71 mm Communication Ethernet: 10 / 100M auto-negotiation RJ45 connector WIFI: 802.11b/g/n compliant Serial port|:RS485 interface (Anti-surge, Over-current protection) Wireless specification Frequency Band: 2.412 ~ 2.484 GHz Wireless network: Station / AP / AP+Station Mode Security mechanism : WPA-PSK / WPA2-PSK Encryption type: TKIP / AES Transmitting power: 802.11b: +19dBm (Max.@11Mbps). 802.11g: +18dBm (Max.@54Mbps). 802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7). Receiving sensitivity: 802.11b: -89dBm (@11Mbps). 802.11g: -81dBm (@54Mbps). 802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7). Serial specification Baudrate: 300 ~ 460800 bps Parity bit: none, odd, even, mark, space Data bit:5 ~ 9 bits Software Protocol: TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT Configuration: host, web browser, serial AT command Communication method: TCP/IP direct communication, VCOM Operating mode: Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU Environment requirement Operating temperature: -40? ~ 85? Storage temperature:-45? ~ 125? Humidity range: 5% ~ 95% relative humidity Online Document/User Manual: //bit.ly/3D1DO2g Package Content RS485 TO WIFI/ETH x1 Antenna x1