Features 1、Small size, high cost performance. 2、RS232 to WIFI, support serial CLI command configuration, support LAN Telnet configuration. 3、Support LAN Web configuration, support LAN IOT Service configuration, support IOT Service configuration. 4、Support remote upgrade firmware, support remote device management, support remote parameter batch import and export. 5、Support IP, TCP, UDP, DHCP, DNS, HTTP, Auto IP, Modbus TCP and other network protocols, support common encryption transmission mode, support power anti‑reverse function, support rail installation. Specification Features: 1. Small size, high cost performance. 2. RS232 to WIFI, support serial CLI command configuration, support LAN Telnet configuration. 3. Support LAN Web configuration, support LAN IOT Service configuration, support IOT Service configuration. 4. Support remote upgrade firmware, support remote device management, support remote parameter batch import and export. 5. Support IP, TCP, UDP, DHCP, DNS, HTTP, Auto IP, Modbus TCP and other network protocols, support common encryption transmission mode, support power anti-reverse function, support rail installation. Specification: Power Supply: 5-36VDC Size: about 61*26*18mm/2.4*1.02*0.71in Processor: Cortex-M4 SOS Main frequency: 160MHz For Operating system: mbed FLASH resources: 4MB RAM: 448KB Wireless standard: 802.11b/g/n Antenna form: built-in board section antenna WiFi band: 2.412GHz-2.484GHz Package List: 1 * Wifi Serial Server Note: Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering. Package List 1 * Wifi Serial Server