Feature: 1. Using MIPS MCU (8MB for SRAM) and 4MB Flash, based on eCos operating system. 2. Passed FCC_CE_RoHS_SRRC_REACH certification. 3. Support RS232 / RS422 / RS485 to Wi-Fi / Ethernet data transmission, the maximum serial port speed is 230400 bps. 4. Support for TCP / for IP / for Telnet / for Modbus TCP protocol. 5. Support wireless working STA / AP / AP + STA. 6. Support routing / bridge mode network architecture. 7. Support webpage mode, PC software easy configuration. 8. Support data for TLS / for AES / for DES3 security encryption configuration. 9. Support web OTA wireless upgrade. Specification: Item Type: HF-2211 Serial Port Server Model: HF-2211 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 Supported Features: Supported for Http protocol transmission mode Supported for Modbus conversion Supported for NTP function + time zone setting Supported for Virtual data channel Supported for Registration package function Supported for Heartbeat packet function Supported for Custom script function Supported for Packet filtering Supported for Serial framing Supported for WiFi routing mode Supported for WiFi bridge mode Supported for WiFi roaming function Supported for WiFi switch Supported for Hide SSID Supported for Chinese SSID Parameter import and export Supported for ModbusRTU to for ModbusTCP Unsupported Features: Unsupported for Local data storage Unsupported for ModbusMaster Unsupported for VPN function Unsupported for APN function Unsupported for DDNS function Unsupported for WiFiSAP Core Resources: Operating System: For Ecos FLASH Resources: 4MB RAM: 8MB Ethernet Interface Parameters: Ethernet Interface Form: 1 RJ45 Interface Standard: 10/100 Base-T auto-negotiation Network Port Protection: Static: 8KV contact discharge, 15KV air discharge Network Protocols: For IP, for TCP, for UDP, for DHCP, for DNS, for HTTP Server / for Client, for ARP, for BOOTP.AutolPJCMP.Telnet.uPNP Security Protocol (data Communication): for TLSV1.2, for AES-128Bit, DES3, for SSL 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.