Introduction

The only 802.11 b/g WiFi shield in the world.  This board only uses Tx/RX which transfers the UART signal to TCP/IP. And it is great to make the arduino project wireless. With the enhancment from 802.11g, the maximum range is about 100m indoors and 300 meters outdoors. 

Features

• Stand-alone typed 802.11b/g wireless LAN module
• Ethernet to Wireless Bridging : Enable wired network device to have wireless communication interface
• Supports Serial Interface for "Serial to Wireless" application
• Supports AP/Station/Gateway mode
• 54Mbps data rate and Max.20Mbps Effective Data Transmission
• Full-Featured Network Protocol Stack
• Built-in Web server for configuration via standard web browser

Specification

• Wifi Chip:WIZ610Wi
• Wireless Standards:IEEE 802.11b; 802.11g
• Frequency Range:2.412GHz ~ 2.462GHz (US & Canada) 2.412GHz ~ 2.472GHz (Europe) 2.412GHz ~ 2.484GHz (Japan)
• Output Power: 14dBm@802.11b(1~11Mbps) 14dBm@802.11g(1~54Mbps)
• Receive Sensitivity:802.11b -65dBm@11Mbps 802.11g -76dBm@54Mbps
• Data Rates With Automatic Fallback 54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps,12Mbps, 9Mbps, 6Mbps,
• automatically fallback to 5.5Mbps, 2Mbps, 1Mbps 11Mbps, 5.5Mbps, 2Mbps, 1Mbps
• Range Up to 200m/2dBi antenna gain
• Modulation Techniques 11g: OFDM (64QAM, 16QAM, QPSK, BPSK) 11b: DSSS (CCK, DQPSK, DBPSK)
• Serial Interface: Interface/UART/CMOS (Asynchronous) 3.3V-level signals,rate is software selectable
• Serial Line Formats:7 or 8 data bits, 1-2 Stop bits
• Parity:odd, even, none
• Flow Control: XON/XOFF (software), CTS/RTS (hardware), none
• Network Interface:Interface MII, Wireless 802.11b, 802.11g
• Protocols Supported ARP, UDP, TCP, Telnet, ICMP, DHCP, PPPoE, BOOTP, HTTP, SMTP, TFTP
• Management:HTTP / Telnet
• Security:WEP 64/128bit, WPA/WPA2 PSK/AES/TKIP, 802.1x(Radius)
• Power Consumption: Average Consumption 3.3V summary (W) 10Mbps 0.27A, 0.42W 100Mbps 0.119A, 0.39W
• Environmental: Operating range,WLAN 0~55°C  Storage range:-20~ 77°C

Documents

• DataSheet V1.9
• Schematics
•  

Known Issue

• The Wifi shield may not be compatible with few 802.11n routers