Feature:1. Built-in antenna, support for ModbusTCP2. RS485 to WiFi serial server, support for AP and STA function3. Support desktop, paste, wall-mounted and bundled installation4. The product can support multiple data encryption methods to ensure data confidentiality5. Support registry package and heartbeat packetSpecification:Item Type: RS485 to WIFI Serial ServerModel Name: HF7221Function 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 : Built-in 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 Features: 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: YesSize: Approx. 18 x 26 x 61mm / 0.7 x 1 x 2.4in.Package List:1 x Serial Server 1 x Crystal Head Turn Button + 4PIN Terminal Wire 1 x Fixed Bracket 1 x Rail Bracket 2 x Screw