HF-A12

  • Product Code: UART To Wi-Fi/Eth [HF-A12]
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Overview of Characteristic

  • 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 external/internal antenna
  • Support transparent transmission mode
  • Support AT+ instruction set for configuration
  • Support friendly web configuration page
  • Support palmodic signal
  • Support UART auto-frame function
  • Single +3.3V power supply
  • Small Size: 32 x 45 x 8 mm
  • FCC/CE/RoHS/TELEC certificated
Class
Item
Parameters
Wireless Parameters
Certification
FCC/CE/ROHS/TELEC 
Wireless Standard
802.11 b/g/n
Frequency Range
2.412GHz-2.484GHz
Transmit Power
802.11b: +20dBm (Max.)
802.11g: +18dBm (Max.)
802.11n: +15dBm (Max.)
Configurable
Receive Sensitivity
802.11b: -89 dBm
802.11g: -81dBm
802.11n: -71dBm
Antenna
External: I-PEX connector
Internal: on-board antenna
Hardware Parameters
Data Interface
UART: 300bps~460800bps
Ethernet: 100Mpbs
GPIOs
Operating Voltage
3.3V(+/-5%)
Operating Current
AP: 226mA (average), 346mA (peak)
STA: 218mA (average), 320mA (peak)
Operating Temp.
-40°C~ 85°C
Storage Temp.
-40°C- 125°C
Size
32mm x 45mm x8mm
Software Parameters
Wireless Network Type
Station/AP Mode/AP+STA
Security Mechanism
WEP/WPA-PSK/WPA2-PSK
Encryption Type
WEP64/WEP128/TKIP/AES
Work Mode
Transparent Transmission, serial command
Setting Command
AT+instruction set
Network Protocol
TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
Max. Client Number in TCP Server Mode
32
User Configuration
Web Server+AT command config.


HF-A12

Base on customer detailed requirement, HF-A12 series modules provide different variants and physical type for detailed application.




Production Data 2016/Q3
Key Feature Hardware AP Solution 2 x Ethernet
Processor MIPS MTK
Basic Frequency 380MHz
Operating System Ecos
Wi-Fi Standard 802.11bgn
Certification CE/FCC
Temp. Range -40~+85
Internal Antenna √
I-PEX Connector √
Size (mm) 25×40×8
Package Type DIP2x12
Work Voltage 3.3V
Current @No data ~180mA
Current @Tx Peak ~400mA
Resource-Flash 1MB/2MB
Resource-RAM >1MB
Interface-UART 1
Interface-Ethernet √
Interface-GPIO √
AP Mode √(Max 20 STA)
STA Mode √
AP+STA Mode √
Wi-Fi Repeater √
Web Server √
OTA Upgrade √
Applications
HF-A11_Mass_Production_Upgrade [ Download Times: 1423,  Date Update: 2016-11-21 18:11:00 ]
User Guide
HF-A12 User Manual [ Download Times: 606,  Date Update: 2016-11-08 16:55:49 ]
Application Notes
A11&A11-SMT Application data [ Download Times: 632,  Date Update: 2016-11-10 16:44:26 ]
HF-A12_EVK_design_package [ Download Times: 262,  Date Update: 2016-11-11 17:12:57 ]
HF-A12 Hardware Circuit Describtion [ Download Times: 298,  Date Update: 2018-03-06 09:35:22 ]