Specification Brand : waveshare BulletPoint1 : This is an RS232/485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, serial port to HTTPD Client, etc BulletPoint2 : With RS232, RS485, WIFI and Ethernet interfaces, the module can realize functions such as serial port to WIFI, serial port to Ethernet, Ethernet to WIFI and so on. Support Screw Terminal and DC 5.5 Power Port for Power Supply, DC 6~36V Wide Voltage Range Input BulletPoint3 : Support transparent transmission mode: Support TCP Server, TCP Client, UDP Server, UDP Client BulletPoint4 : Support multi wireless networking methods: Support AP mode, STA mode, and AP+STA mode. Support multi wired networking methods: Support APLAN, APWAN, Router, and Bridge mode BulletPoint5 : Multi Configuration Methods: Supports muliti configuration methods such as hosts, Web Browser and serial port Configuration. AT Command Mode: The user can query the current status of the module or set related parameters by sending AT commands Color : RS232/485 To WiFi and Ethernet CompatibleDevices1 : Personal Computer CompatibleDevices2 : Laptop CompatibleDevices3 : Microphone CompatibleDevices4 : Smartphone ConnectorType : TTL CurrentRating : 256000 milliamps ExternallyAssignedProductIdentifier1 : 701715491083 ExternallyAssignedProductIdentifier2 : 0701715491083 InputVoltage : 3 volts ItemName : waveshare RS232/485 to WiFi and Ethernet Converter Serial Server, Modbus Gateway, MQTT Gateway,Serial Port to HTTPD Client, Allow Serial Port to WiFi, Serial Port to Ethernet, Ethernet to WiFi ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : computer-cable-serial-adapters Manufacturer : Waveshare Material : iron ModelNumber : UART-WIFI232-B2 NumberOfItems : 1 NumberOfPorts : 1 PowerPlugType : no_plug ProductDescription : RS232/485 to WiFi and Ethernet Converter combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, serial port to HTTPD Client, etc. Supports serial port to WIFI, serial port to Ethernet, Ethernet to WIFI. Specifications 1. Outline Power supply: DC 6~36V Power supply method: DC 5.5 power port, screw terminal Dimensions (L × W × H) : 84.00×64.00×24.00mm 2. Communication Ethernet: 10 / 100M auto-negotiation RJ45 connector WIFI: 802.11b/g/n compliant Serial port: RS232 (ESD/EFT)RS485 (ESD/EFT/surge protection) 3. 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) 4. Serial specification Baudrate: 300 ~ 460800 bps Parity bit: none, odd, even, mark, space Data bit : 5 ~ 9 bits 5.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 6.Environment requirement Operating temperature: -40℃ ~ 85℃ Humidity range: 5% ~ 95% relative humidity Online Development Resources ://bit.ly/3L6Bk6m Package Content RS232/485 TO WIFI ETH (B) x1 2.4G WiFi antenna x1 Rail-mount buckle x1 Screwdriver x1 Screws pack x1