Features Supported Protocol: Using MIPS MCU (8MB for SRAM) and 4MB Flash, based on eCos operating system. Routed/Bridged mode network architecture is supported. Quality Assurance: Certified by FCC_CE_RoHS_SRRC_REACH. We hope this serial server meets your basic needs. Support web mode, easy configuration of the host computer software. Maximum Serial Port Speed: Support RS232/RS422/RS485 to Wi-Fi/Ethernet data transmission, the maximum serial port speed is 230400bps. You don't have to worry about the working performance of this serial server communication module. Supported Protocol: Support TCP/IP/Telnet/Modbus TCP protocol. Support wireless working STA/AP/AP+STA. Support data encryption configuration for TLS/AES/DES3 security. Support web OTA wireless upgrade. After Sales Service: We are committed to bringing you a comfortable experience. If you have any questions about this HF2211 serial port server, please feel free to contact us, we will serve you wholeheartedly. Specification: Item Type: HF-2211 Serial Port Server Model: HF-2211 Input Voltage: Wide voltage 5 ～ 36VDC Size: Approx. 95 x 65 x 25mm / 3.7 x 2.6 x 1in Working Temperature: -45-85 ℃ Interface Form: Ф5.5 x 2.1mm socket and 5.08mm terminal block Working Current: 200mA Power Consumption: <700mW Serial Interface Parameters: Number Of Serial Ports: 1 (RS232 / 485/422) Interface Standard: RS232: DB9 pin type RS485 / RS422: 5.08mm terminal block Baud Rate: 600-230400bps Data Bits: 8 Stop Bits: 1, 2 Parity: None, Even, Odd, Space, Mark Wi-Fi Wireless Interface Parameters: Wireless Standard: 802.11 b / g / n Network Mode: for STA / for AP / for STA + AP Network Protocol: For TCP / for UDP, etc. Maximum Number Of Connections: Maximum 15 STA Frequency Band: 2.412GHz-2.484GHz Network technical parameters Working Mode: TCP Server TCP Client UDP unicast UDP multicast UDP broadcast Maximum Number Of Network Connections: 20 IP Acquisition Method: DHCP or static IP, AutolP WEB Page: Standard web page or custom web page Failure Alarm: Syslog / SMTP Configuration Method: WEB page, CLI command, for XML file import, Telnet configuration, IOTService software Product Features: Virtual Serial Port Software: For Windows XP / for Vista / 7/8/10 (32bit \ 64bit), for Win Server 2003/2008/2012 Package List: 1 x Serial Network Server  1 x Serial Cable  1 x Network Cable  1 x WIFI Rubber Antenna  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 x Serial Network Server 1 x Serial Cable 1 x Network Cable 1 x WIFI Rubber Antenna