Item Type: Serial Server_x000D_Core Parameters: _x000D_Model Name: HF7211-0_x000D_Function Explanation: Serial port to WiFi_x000D_Processor: For Cortex-M4 SOC_x000D_Main Frequency: 160MHz_x000D_Operating System: For Mbeb_x000D_FLASH Resource: 2MB_x000D_RAM: 384KB_x000D_Network Interface Parameters: _x000D_Wireless Standard: 802.11b/g/n_x000D_Antenna Form: External antenna_x000D_WiFi Frequency Band: 2.412GHz-2.484GHz_x000D_Network Protocol: IP, TCP, UDP, DHCP, DNS, HTTPServer/Client, APP, BOOTP, AutolP, ICMP, Telnet, uPNP_x000D_WiFi Security (encryption Method): Encryption: AES 128Bit, 3DES, SHA-1, MD5, Base-64, RSA Authentication: PSK, AES-CCMP_x000D_Wireless Transmit Power: 802.11b: +20 DBm (Maximum.) 802.11g: +18 DBm (Maximum.) 802.11n: +15 dBm (Maximum.)_x000D_Wireless Receiving Sensitivity: 802.11b: -89dBm( at11 Mbps, CCK) 802.11g: -81dBm( at54Mbps, OFDM) 802.11n: -71 dBm( at HT20, MCS7)_x000D_Maximum Number of Connections: Maximum, 8STA_x000D_WiFi Mode: AP, AP+STA, STA_x000D_Serial Port Interface Parameters: _x000D_Number of Serial Ports: 1_x000D_Interface Standard: RS485_x000D_Baud Rate: 600-460800bps_x000D_Serial Port Protection: Yes_x000D_Product Features: _x000D_Configuration Method: SmartLink V7, X APP, Airkiss configuration, WEB page, Cli command, XML file import, Telnet configuration, IOTService software_x000D_WEB Webpage: Standard webpage or custom webpage_x000D_IP Acquisition Method: DHCP or static IP, AutolP_x000D_Virtual Data Channel: Support_x000D_Firmware Upgrade: Webpage, IOTService software, OTA_x000D_Registration Package Function: Support_x000D_Heartbeat Package Function: Support_x000D_Custom Script Function: Support_x000D_Packet Filtering: Support_x000D_Serial Port Automatic Framing: Support_x000D_NTP Function + Time Zone Setting: Support_x000D_Parameter Import and Export: Support_x000D_Reload Reset Interface: Yes_x000D_Environmental Parameters: _x000D_Working Temperature: -40-85_x000D_Storage Environment: -50-90, 5-95%RH (non-condensing water)_x000D_Power Parameters: _x000D_Input Voltage: 5-36VDC_x000D_Interface Form: RJ45 interface_x000D_Power Protection: Active, which can be greatly simplified. 1With good performance, support smartlink distribution network, support AP, STA function. 2The interface form is RJ45, with active power protection, which can be greatly simplified. 3Small size, easy to carry and store, convenient to use and with good performance. 4Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 5Complete tools, you can operate it yourself, suitable for DIY enthusiasts. 1 x Serial Server 1 x GPRS Antenna 1 x Crystal Head Turn Button+4Pin Terminal Line 1 x Fixed Bracket 1 x Rail Bracket 2 x Screw