Item Type: RS485 to WIFI Serial Server_x000D_Model Name: HF7221_x000D_Function Explanation: Serial port to WiFi_x000D_Processing Unit: for Cortex-M4 SOC_x000D_Main Frequency: 160MHz_x000D_Operating System: Mbeb_x000D_FLASH Resources: 2MB_x000D_RAM: 384KB_x000D_Network Interface Parameters: _x000D_Wireless Standard: 802.11b / g / n_x000D_Antenna Form : Built-in antenna_x000D_WiFi Frequency Band: 2.412GHz-2.484GHz_x000D_Network Protocols: 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 Certification: PSK, AES-CCMP_x000D_Wireless Transmit Power: 802.11b: +20 DBm (maximal) 802.11g: +18 DBm (maximal) 802.11n: +15 dBm (maximal)_x000D_Wireless Receiving Sensitivity: 802.11b: -89dBm ( At 11 Mbps, CCK) 802.11g: -81dBm ( At 54Mbps, OFDM) 802.11n: -71 dBm ( at HT20, MCS7)_x000D_Maximum Number of Connections: Maximal, 8STA_x000D_WiFi Mode: AP, AP + STA, STA_x000D_Serial 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 Page: Standard web page or custom web page_x000D_IP Acquisition Method: DHCP or static IP, AutolP_x000D_Virtual Data Channel: Support_x000D_Firmware Upgrade: Webpage, for IOTService software, OTA_x000D_Registry Package Function: Support_x000D_Heartbeat Packet Function: Support_x000D_Custom Script Function: Support_x000D_Packet Filtering: Support_x000D_Automatic Serial Framing: Support_x000D_For ModbusRTU to for Modbus TCP: 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)_x000D_Power Parameters: _x000D_Input Voltage: 5-36VDC_x000D_Interface Form: RJ45 interface_x000D_Power Protection: Yes_x000D_Size: Approx. 18 x 26 x 61mm / 0.7 x 1 x 2.4in 1Built-in antenna, support for ModbusTCP 2RS485 to WiFi serial server, support for AP and STA function 3Support desktop, paste, wall-mounted and bundled installation 4The product can support multiple data encryption methods to ensure data confidentiality 5Support registry package and heartbeat packet1 x Serial Server1 x Crystal Head Turn Button + 4PIN Terminal Wire1 x Fixed Bracket1 x Rail Bracket2 x Screw