1、This product supports Wi‑Fi, 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 parameters 1 x Serial Server1 x Crystal Head Turn Button + 4pin Terminal Line1 x Fix Bracket1 x Rail Bracket2 x Screw Item 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: -40-85℃Storage 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