User's Manual

B&B Electronics, Inc. APPN-TT551 Databook
6
2.0 Product Description
The APPN-TT551 module is the latest generation of 802.11 wireless device servers and
adapters from B&B. The radio features the following:
o 802.11 b/g/n Wi-Fi Radio with 32bit ARM9 CPU (128/256Mb SDRAM, 64Mb
Flash)
o Atheros AR6203 802.11 b/g/n radio chipset.
o Supports Access Point, Infrastructure and AdHoc Client networks (Software
selectable)
o Access Point device includes:
 Up to eight (8) simultaneous clients
 WEP, WPA-PSK and WPA2-PSK security
 Integrated DHCP server
 Tx Power Control
 MAC address filtering
o Infrastructure device includes:
 Supports WEP, WPA, WPA2, 802.11i and 802.1x Supplicant, with
Certificates.
o The wireless device server includes integrated:
 802.11 b/g/n radio driver
 TCP/IP stack, UDP, telnet, FTP server
 Data bridging and buffering
 Command Line Interface
 Web interface
 WPA Supplicant
 802.11 Radio Driver
o Operating Temperature (-40°C to 85°C)
o Storage temp (-40°C to 85°C)
o 52 Pin mini PCIe card connector
o Hirose U.FL RF connector for the antenna
o Multiple host interfaces supported:
 UART (921.6K BAUD)
 SPI
 MII/RMII (Bridge/Router modes supported)
o No host driver required
o Small form factor module
o Worldwide Regulatory Support