User's Manual

HF-A21-SMT Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
9
1. PRODUCT OVERVIEW
1.1. General Specification
Table 1 HF-A21-SMT Module Technical Specifications
Class Item Parameters
Wireless
Parameters
Certification FCC/CE
Wireless standard 802.11 b/g/n
Frequency range 2.412GHz-2.462GHz
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
Internal:On-board PCB antenna
Hardware
Parameters
Data Interface
UART: 1200bps - 230400bps
Ethernet: 10Mbps/100Mpbs
GPIO,I2C,USB
Operating Voltage 3.3V (+/-5%)
Operating Current Avg:170mA Peak:400mA
Operating Temperature
-40℃- 85℃
Storage Temperature
-45℃- 125℃
Dimensions and Size
25×40×3mm SMT
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
Provide SDK package
Provide smart link tools