1. [CONVENIENT PACKAGE] includes all necessary accessories for quick setup
2. [VERSATILE INTERFACE] with RJ45 interface and power protection for safety
3. [WIDE OPERATING TEMPERATURE RANGE] from -40-85℃ for use in various environments
4. [POWERFUL CPU] with Cortex-M4 SOC and 160MHz main frequency for high performance
5. [ENERGY-EFFICIENT] with input voltage ranging from 5-36VDC for reduced power consumption

Spec:
Item Type: RS485 to WiFi Serial Server
Model Name: HF7211-0
Function Explanation: Serial port to WiFi
Processing Unit: for Cortex-M4 SOC
Main Frequency: 160MHz
Operating System: Mbeb
FLASH Resources: 2MB
RAM: 384KB
Network Interface Parameters:
Wireless Standard: 802.11b / g / n
Antenna Form: External antenna
WiFi Frequency Band: 2.412GHz-2.484GHz
Network Protocols: IP, , 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 Certification: PSK, AES-CCMP
Wireless 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, 8STA
WiFi Mode: AP, AP + STA, STA
Serial Interface Parameters:
Number of Serial Ports: 1
Interface Standard: RS485
Baud Rate: 600-460800bps
Serial Port Protection: Yes
Product Function:
Configuration Method: SmartLink V7, X APP, Airkiss configuration, WEB page, CLI command, file import, Telnet configuration, IOTService software
WEB Page: Standard web page or custom web page
IP Acquisition Method: DHCP or static IP, AutolP
Virtual Data Channel: Support
Firmware Upgrade: Webpage, for IOTService software, OTA
Registry Package Function: Support
Heartbeat Packet Function: Support
Custom Script Function: Support
Packet Filtering: Support
Automatic Serial Framing: Support
For ModbusRTU To for Modbus : 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)
Power Parameters:
Input Voltage: 5-36VDC
Interface Form: RJ45 interface
Power Protection: Yes

packing list:
1 x Serial Server
1 x GPRS Antenna
1 x Crystal Head Turn Button + 4PIN Terminal Wire
1 x Fixed Bracket
1 x Rail Bracket
2 x Screw