HF-A11 Wi-Fi Module

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