Antenna difference?

[phdezra]

Is there a practical difference between these two antenna:

1) http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=9742299567&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1

and

2) http://www.wlantenna.com/omni.htm [First item on page--the 8 dBi Omni antenna).

The price difference is dramatic ($19.95 for two 9 dBi antenna versus $36.95 for ONE of the antenna from wlantenna.com). Is there a difference I am missing? Woudl performance be drasticlly different indoors on an 802.11g router from Linksys or another comparable brand?

Any input is appreciated. Thanks.

Ez

[M/Q]

There is no comparison. The first two are worthless IMO. The second antenna is a good outdoor antenna and would work just as well inside. But, do you need that extra protection?

[phdezra]

I don't need "extra protection" but I have thick walls and the wimpy antenna my Linksys came with is not doing the trick.

So the ones on eBay are simply what... a scam? Are they worthless? Could you expound a little more on why you feel they are worthless? (I figured there had to be a difference due to the price inequality, but I dont know why.)

[M/Q]

If you go to the second link there is a similar antenna to the ones you found on eBay. One costs $20.00 and is a lower dBi rating. Notice all the information it gives you about the antenna. Also WlanAntenna is a class act and I have no problem buying equipment from them.