Feature:1. External antenna, support for ModbusTCP2. RS485 to WiFi serial server, support for AP and STA function3. The product can support multiple data encryption methods to ensure data confidentiality4. Support registry package and heartbeat packet5. Support desktop, paste, wall-mounted and bundled installationSpecification:Item Type: RS485 to WiFi Serial ServerModel Name: HF7211-0Function Explanation: Serial port to WiFiProcessing Unit: for Cortex-M4 SOCMain Frequency: 160MHzOperating System: MbebFLASH Resources: 2MBRAM: 384KBNetwork Interface Parameters: Wireless Standard: 802.11b / g / nAntenna Form: External antennaWiFi Frequency Band: 2.412GHz-2.484GHzNetwork Protocols: 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 Certification: PSK, AES-CCMPWireless 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, 8STAWiFi Mode: AP, AP + STA, STASerial Interface Parameters: Number of Serial Ports: 1Interface Standard: RS485Baud Rate: 600-460800bpsSerial Port Protection: YesProduct Function: Configuration Method: SmartLink V7, X APP, Airkiss configuration, WEB page, CLI command, XML file import, Telnet configuration, IOTService softwareWEB Page: Standard web page or custom web pageIP Acquisition Method: DHCP or static IP, AutolPVirtual Data Channel: SupportFirmware Upgrade: Webpage, for IOTService software, OTARegistry Package Function: SupportHeartbeat Packet Function: SupportCustom Script Function: SupportPacket Filtering: SupportAutomatic Serial Framing: SupportFor ModbusRTU To for Modbus TCP: SupportNTP Function + Time Zone Setting: SupportParameter Import And Export: SupportReload Reset Interface: YesEnvironmental Parameters: Working Temperature: -40-85Storage Environment: -50-90, 5-95% RH (non-condensing)Power Parameters: Input Voltage: 5-36VDCInterface Form: RJ45 interfacePower Protection: Yes.Package List:1 x Serial Server 1 x GPRS Antenna1 x Crystal Head Turn Button + 4PIN Terminal Wire 1 x Fixed Bracket 1 x Rail Bracket 2 x Screw