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 ServerModel: HF-2211Size: Approx. 95 x 65 x 25mm / 3.7 x 2.6 x 1inWorking Temperature: -45-85 Interface Form: 5.5 x 2.1mm socket and 5.08mm terminal blockWorking Current: 200mAPower Consumption: <700mWSupported Features: Supported for Http protocol transmission modeSupported for Modbus conversionSupported for NTP function + time zone settingSupported for Virtual data channelSupported for Registration package functionSupported for Heartbeat packet functionSupported for Custom script functionSupported for Packet filteringSupported for Serial framingSupported for WiFi routing modeSupported for WiFi bridge modeSupported for WiFi roaming functionSupported for WiFi switchSupported for Hide SSIDSupported for Chinese SSIDParameter import and exportSupported for ModbusRTU to for ModbusTCPUnsupported Features: Unsupported for Local data storageUnsupported for ModbusMasterUnsupported for VPN functionUnsupported for APN functionUnsupported for DDNS functionUnsupported for WiFiSAPCore Resources: Operating System: For EcosFLASH Resources: 4MBRAM: 8MBEthernet Interface Parameters: Ethernet Interface Form: 1 RJ45Interface Standard: 10/100 Base-T auto-negotiationNetwork Port Protection: Static: 8KV contact discharge, 15KV air dischargeNetwork Protocols: For IP, for TCP, for UDP, for DHCP, for DNS, for HTTP Server / for Client, for ARP, for BOOTP.AutolPJCMP.Telnet.uPNPSecurity Protocol (data Communication): for TLSV1.2, for AES-128Bit, DES3, for SSLSerial Interface Parameters: Number Of Serial Ports: 1 (RS232 / 485/422)Interface Standard: RS232: DB9 pin typeRS485 / RS422: 5.08mm terminal blockBaud Rate: 600-230400bpsData Bits: 8Stop Bits: 1, 2Parity: None, Even, Odd, Space, MarkWi-Fi Wireless Interface Parameters: Wireless Standard: 802.11 b / g / nNetwork Mode: for STA / for AP / for STA + APNetwork Protocol: For TCP / for UDP, etc.Maximum Number Of Connections: Maximum 15 STAFrequency Band: 2.412GHz-2.484GHzNetwork technical parametersWorking Mode: TCP Server TCP Client UDP unicast UDP multicastUDP broadcastMaximum Number Of Network Connections: 20IP Acquisition Method: DHCP or static IP, AutolPWEB Page: Standard web page or custom web pageFailure Alarm: Syslog / SMTPConfiguration Method: WEB page, CLI command, for XML file import, Telnet configuration, IOTService softwareProduct 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.