Low cost replacement for Dell wifi adapter

[kaushik]

Dell Wireless USB Dongle for Dell S500 / 4220 / 4320 / M110 Projectors - Compare Prices and Reviews on Dell F9XX5 Wireless Networking at PriceGrabber

This is needed for wifi streaming to projector ,as you can see importing that dongle will go expensive.

Please suggest any substitute suitable ?

I have a RAlink dongle projector detects it but i cant see dellm110 network