On 5 Aug 2006 16:13:33 -0700, cshih16@yahoo.com wrote in
<1154819613.239089.164580@p79g2000cwp.googlegroups .com>:

>My two computers use Cable for internet connection via a switch.
>Current Connection Speed is 100.0Mbps

That's the switch speed. Your Cable Internet is much slower.

>I am planning to let the third PC in basement use Wireless to share the
>access with those two systems on the second floor.

Gonna be hard or impossible to get a wireless signal through two floors.

>My little networking knowledge tells me that I need an Access Point and
>a Client USB Adapter.

And highly directional antennas, assuming it will work at all.

>Questions:
>1. The salesman recommended me to get both AP and Client in 54Mbps
>instead of 108Mbps because he found that the internet connection is
>just 1Mbps why get 108Mbps. Is it true? My PC shows 100Mbps connection
>speed though. After setting up AP and Client in 54Mbps.. can my three
>computers still have 100Mbps connection speed?

You'll only get something less than half of the raw network speed, which
won't be anywhere near the maximum no matter what you do.

>2. Can my two exisitng computers still connect to the ports in Access
>Point via their original cables/wires, and just have the third PC go
>wireless (USB Adapter)? Is this idea workable?
>[2 pc's with cable connection and 1 pc with wireless connection?]

Probably.

--
Best regards, FAQ for Wireless Internet: <http://Wireless.wikia.com>
John Navas FAQ for Wi-Fi: <http://wireless.wikia.com/wiki/Wi-Fi>
Wi-Fi How To: <http://wireless.wikia.com/wiki/Wi-Fi_HowTo>
Fixes to Wi-Fi Problems: <http://wireless.wikia.com/wiki/Wi-Fi_Fixes>