Item Type: RS232 to WIFI Serial Server Model Name: HF7211-0 Function Explanation: Serial port to WiFi Processing Unit: for Cortex-M4 SOC Main Frequency: 160MHz Operating System: Mbeb FLASH Resources: 2MB RAM: 384KB Network Interface Parameters: Wireless Standard: 802.11b / g / n Antenna Form: External antenna WiFi Frequency Band: 2.412GHz-2.484GHz Network Protocols: IP, TCP, UDP, DHCP, DNS, HTTPServer / Client, APP, BOOTP, AutolP, ICMP, Telnet, uPNP WiFi Security (encryption Method): Encryption: AES 128Bit, 3DES, SHA-1, MD5, Base-64, RSA Authentication: PSK, AES-CCMP Wireless Transmit Power: 802.11b: +20 DBm (maximal.) 802.11g: +18 DBm (maximal.) 802.11n: +15 dBm (maximal.) 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: Maximal, 8STA WiFi Mode: AP, AP + STA, STA Serial Interface Parameters: Number of Serial Ports: 1 Interface Standard: RS232 Baud Rate: 600-460800bps Serial Port Protection: Yes Product Features: Configuration Method: SmartLink V7, X APP, Airkiss configuration, WEB page, CLI command, XML file import, Telnet configuration, IOTService WEB Page: Standard web page or custom web page IP Acquisition Method: DHCP or static IP, AutolP Virtual Data Channel: Support Firmware Upgrade: Webpage, IOTService software, OTA Registration Package Function: Support Heartbeat Packet Function: Support Custom Script Function: Support Packet Filtering: Support Automatic Serial Framing: Support For ModbusRTU to for Modbus TCP: Support NTP Function + Time Zone Setting: Support Parameter in and out: Support Reload Reset Interface: Yes Environmental Parameters: Working Temperature: -40-85℃ Storage Environment: -50-90℃, 5-95% RH(non-condensing) Power Parameters: Input Voltage: 5-18VDC Interface Form: RJ45 interface Power Protection: Yes Size: Approx. 18 x 26 x 61mm / 0.7 x 1 x 2.4in 1、This product supports Wi-Fi, supports the complete TCP / IP protocol stack, and supports multiple data encryption methods to ensure data confidentiality 2、Connect to this serial server wirelessly for data transmission, making product integration very easy 3、External WiFi antenna, support for ModbusTCP 4、RS232 to WiFi serial server, support for AP and STA function 5、Support desktop, paste, wall-mounted and bundled installation 1 x Serial Server 1 x GPRS Antenna 1 x Crystal Head Turn Button + 4PIN Terminal Wire 1 x Fixed Bracket 1 x Rail Bracket 2 x Screw