Item Type: RS232 to WiFi Server Core Parameters: Model Name: HF7211 Function Explanation: Serial port to WiFi Processor: For Cortex-M4 SOC Main Frequency: 160MHz Operating System: For mbeb FLASH Resource: 2MB RAM: 384KB Network Interface Parameters: Wireless Standard: 802.11b/g/n Antenna Form: Built-in antenna WiFi Frequency Band: 2.412GHz-2.484GHz Network Protocol: 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 (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 8STA WiFi Mode: AP, AP+STA, STA Serial Port Interface Parameters: Number of Serial Ports: 1 Interface Standard: RS232 Baud Rate: 600-460800bps Serial Port Protection: Yes Product Features: Configuration Method: For SmartLink V7 / X APP / Airkiss configuration, WEB page, Cli command, XML file import, Telnet configuration, for IOTService software WEB Webpage: Standard webpage or custom webpage IP Acquisition Method: DHCP or static IP, AutolP Virtual Data Channel: Support Firmware Upgrade: Webpage, for IOTService software, OTA Registration Package Function: Support Heartbeat Package Function: Support Custom Script Function: Support Packet Filtering: Support Serial Port Automatic Framing: Support RTU to TCP: Support NTP Function + Time Zone Setting: Support Parameter Import and Export: Support Reload Reset Interface: Yes Environmental Parameters: Working Temperature: -40-85 Storage Environment: -50-90, 5-95%RH (non-condensing water) Power Parameters: Input Voltage: 5-36VDC Interface Form: RJ45 interface Power Protection: Yes Size: Approx. 61 x 26 x 18mm / 2.4 x 1 x 0.7in