See a DlinkDwl900Ap+ for more info

Pictures

Rev. A&B: Modified DWL-650+ PCMCIA Card: DlinkDwl650Plus

Rev. C: Mini-PCI Card

Hardware revisions A & B:

Hardware revision C:

http://acinonyx.silverton.gr/dwl900revc/hardware.html - detailed hardware overview with labelled photos of mainboard
- disassmebled (474K, slow)

Hardware

Hardware revisions A & B:

FCC ID: KA2DWL900AP-PLUS
Integrated system for embedded ethernet applications
Fully 16/32-bit RISC architecture
CPU: RISC based S3C4510B01-QERO: SamSung4510
Efficient and powerful ARM7TDMI core
Little/Big-Endian mode supported basically,the internal architecture is big-endian. So, the little-endian mode only support for external memory.
Cost-effective JTAG-based debug solution
Boundary scan

Hardware revision C:

Hardware revisions A & B:

2.62b1 (D-Link Germany)

ftp://ftp.dlink.de/dwl/dwl-900applus/driver_software/DWL-900applus_fw_revB1_2.62b1_ALL_en_011226.zip
- WPA using Hex keys with WPA-PSK
- Antenna selection: left-right-diversity renamed to internal-external-diversity
- Repeater-mode works with WEP
- Site survey finds APs on all channels

2.61 (D-Link USA)

Hardware revisions A, B & C:

http://home.earthlink.net/~mlampie/PowerHackDWL-900+.html - Power hack (around 22dBm)
http://www.acinonyx.tk/
- Antenna selection remains the same for both RX and TX
- More TX power control settings (0 - 18dbm)
- Power control works on all modes
- Additional channels (12, 13 and 14)
- Better web interface

Software Power Out to 20 dBm

http://camp0s.altervista.org/wardriving/DWL900AP/900ap.htm
- Browser driven power_output hack using FireFox DOM Inspector; all the details and result on the page.

Hardware revision C uses the same CPU as this Actiontec router: