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HF-A11 Wi-Fi Module


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The HF-A11 is a high-performance Wi-Fi module, allowing devices to easily access wireless networks through UART or 100M Eth interfaces.

If you would like more information or volume pricing please contact us

If you would like more information or volume pricing please contact us

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More info

HF-A11 WiFi Module User Manual

HF-A11 Wi-Fi Module

  • Support IEEE802.11b/g/n Wireless Standards
  • Support TCP/IP/UDP Network Protocols
  • Support UART/GPIO/Ethernet Data Interface
  • Support Work As STA/AP/AP+STA Mode
  • Support Router/Bridge Mode Networking
  • Support Internal/External Antenna Option
  • Support Max TCP links: 32
  • Support AT+ Instruction Set for Configuration
  • Support Friendly Web Configuration Page
  • Support Smart Link Application Tools
  • Single +3.3V Power Supply
  • Small Size: 25 x 40mm
  • FCC/CE/Telec Certificated

There are three versions of this module available:

  • HF-A11: standard pin-out variant
  • HF-A11-SMA: variant with SMA connector
  • HF-A11-SMT: Surface Mount variant

Please select which version you require from the drop down menu above.

Additional Features

Wireless Parameters

  • Certification: FCC/CE/Telec
  • Wireless standard: 802.11 b/g/n
  • Frequency range: 2.412GHz-2.484GHz
  • Transmit Power:
    • 802.11b: +20 dBm (Max.)
    • 802.11g: +18 dBm (Max.)
    • 802.11n: +15 dBm (Max.)
    • Configurable
  • Receiver Sensitivity:
    • 802.11b: -89 dBm
    • 802.11g: -81dBm
    • 802.11n: -71dBm
  • Antenna Option:
    • External: I-PEX Connector
    • Internal:On-board chip antenna

Hardware Parameters

  • Data Interface:
    • UART: 1200bps - 230400bps
    • GPIOs
    • Ethernet: 100Mpbs
  • Operating Voltage: 3.3V (+/-5%)
  • Operating Current: 170mA~300mA
  • Operating Temperature: -40℃- 85℃
  • Storage Temperature: -45℃- 125℃
  • Dimensions and Size: 25×40×8mm

Software Parameters

  • Network Type: STA /AP/AP+STA mode
  • Security Mechanisms: WEP/WPA-PSK/WPA2-PSK/WAPI
  • Encryption: WEP64/WEP128/TKIP/AES
  • Work Mode: Transparent Transmission
  • Serial command: AT+instruction set
  • Network Protocol: TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
  • Max. TCP Connection: 32
  • User Configuration: Web Server+AT command config
  • User Application SW: Support customized application SW