High gain antenna for WRT54GL

[mojof1]

I got the WRT54GL but the signal quality i'm getting is 60%
while the computer that is connected to the router is getting 7mbps d/l, my other computer connected wirelessly is only getting 2.5mbps d/l max, same as my laptop.

What can I do to improve the speed?

i've been reading up on antennas and might've found a cheap solution on ebay
http://cgi.ebay.ca/7dBi-Dual-10-RP-TNC-Antenna-for-Linksys-WRT54G-WRT54GL_W0QQitemZ190172139173QQihZ009QQcategoryZ71 501QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

anybody got experience with something like this?

[craftsman]

Have you tried one of the 3rd party firmwares which allow you to up the power output?

[mojof1]

i'm using the Tomato firmware

but I haven't tried upping the power. I'm going to look into that, but what about this antenna?

[fooit]

I don't know if the product OP is asking about is good or not, all I can tell is that
I am using DD-WRT and the Linksys HGA7T - High Gain Antenna Kit (http://www.pricegrabber.ca/search_getprod.php/masterid=17567074/sort_type=price).

http://img2.directcanada.com/images/Large/10243072.jpg

It did improve my signal and solved the microwave problem - every time it was used I'd loose the signal.
With this high gain kit I've never lost the signal anymore - it does go down a little from 48-54kbps to 24-36kbps when microwave is in use but I am still connected.

[mojof1]

that's pretty pricey though compared to those ebay ones...

but did you see a significant gain when you run online speed tests? ie. dslreport

thx!