Feature 1 This product supports WiFi, and supports a complete TCP/IP protocol, very convenient 2 Serial server support multiple data encryption methods to ensure data confidentiality 3 Data transmission through the wireless connection of this serial server, making product integration very easy 4 RS232 to WiFi server support custom registration package and heartbeat package 5 Built-in WiFi antenna, support for Ali IOT.MQTT, realize remote configuration parametersItem Type: RS232 to WiFi ServerCore Parameters: Model Name: HF7211Function Explanation: Serial port to WiFiProcessor: For Cortex-M4 SOCMain Frequency: 160MHzOperating System: For mbebFLASH Resource: 2MBRAM: 384KBNetwork Interface Parameters: Wireless Standard: 802.11b/g/nAntenna Form: Built-in antennaWiFi Frequency Band: 2.412GHz-2.484GHzNetwork Protocol: IP, TCP, UDP, DHCP, DNS, HTTPServer/Client, APP, BOOTP, AutolP, ICMP, Telnet, uPNPWiFi Security (encryption method): Encryption: AES 128Bit, 3DES, SHA-1, MD5, Base-64, RSA Authentication: PSK, AES-CCMPWireless Transmit Power: 802.11b: +20 DBm (maximum) 802.11g: +18 DBm (maximum) 802.11n: +15 dBm (maximum)Wireless Receiving Sensitivity: 802.11b: -89dBm(at 11 Mbps, CCK) 802.11g: -81dBm(at 54Mbps, OFDM) 802.11n: -71 dBm(at HT20, MCS7)Maximum Number of Connections: Maximum 8STAWiFi Mode: AP, AP+STA, STASerial Port Interface Parameters: Number of Serial Ports: 1Interface Standard: RS232Baud Rate: 600-460800bpsSerial Port Protection: YesProduct Features: Configuration Method: For SmartLink V7 / X APP / Airkiss configuration, WEB page, Cli command, XML file import, Telnet configuration, for IOTService softwareWEB Webpage: Standard webpage or custom webpageIP Acquisition Method: DHCP or static IP, AutolPVirtual Data Channel: SupportFirmware Upgrade: Webpage, for IOTService software, OTARegistration Package Function: SupportHeartbeat Package Function: SupportCustom Script Function: SupportPacket Filtering: SupportSerial Port Automatic Framing: SupportRTU to TCP: SupportNTP Function + Time Zone Setting: SupportParameter Import and Export: SupportReload Reset Interface: YesEnvironmental Parameters: Working Temperature: -40-85Storage Environment: -50-90, 5-95%RH (non-condensing water)Power Parameters: Input Voltage: 5-36VDCInterface Form: RJ45 interfacePower Protection: YesSize: Approx. 61 x 26 x 18mm / 2.4 x 1 x 0.7in Package List1 x Serial Server1 x Crystal Head Turn Button + 4pin Terminal Line1 x Fix Bracket1 x Rail Bracket2 x Screw