"(E-Mail Removed)" <(E-Mail Removed)> hath wroth:
>I am interested in a way to extend my laptop range so that I can
>connect to WIFI networks that are farther away.
Does your laptop have an external antenna connector? How do you feel
about adding one?
<http://repair4laptop.org/wireless_lan_antennae.html>
You might find it useful to disclose the maker and model number of
your laptop.
>Perhaps when I am at
>my mother's house and I might want to hook into some neighbors WIFI or
>when I am camping.
Sure, as long as you have permission from the owner.
>I stay at a campground in Maine and I have to be
>close to the main building to get the WIFI, but if I had better range
>I could stay at one the nicer sites in the back. This hawking unit
>seems to have some good reviews though I guess it's a bit delicate,
>any recommendations on this or similar units ?
>http://www.amazon.com/Hawking-Techno.../dp/B000DINCIQ
Well, let's make some assumption and play with the numbers. The range
of a typical USB device, with a built in 0dBi or worse antenna, is
somewhat worse than what you would get with a typical MiniPCI laptop
using diversity antennas at the top of the LCD frame. The only real
benifit to USB is that you can relocate it and its antenna to a more
favorable location.
For the sake of guesswork, let's assume that the tx power outpuit of
the USB adapter is about the same as the MiniPCI card in your
unspecified laptop. If I assume a 0dBi antenna gain for the laptop,
and 8dBi for the dish thing, then the range improvement will be:
10^(8dBi / 20) = 2.5 times
That's probably worth the effort.
Incidentally, I ran the numbers on the Hawking dish and a flat panel
equivalent and found that it really does have almost 8dBi gain:
<http://802.11junk.com/jeffl/antennas/HawkDish08/index.html>
<http://802.11junk.com/jeffl/antennas/FullWavePlateReflector/index.html>
However, I wouldn't do it that way. Methinks you will probably need a
bigger gain antenna, with perhaps 12 to 14dBi gain. That will yield 4
to 5 times improvement in speed. You can do it with your existing
MiniPCI card by adding an external antenna, or using a PCMCIA card, or
USB device with an external antenna connector.
USB radio with connector:
<http://www.fab-corp.com/product.php?productid=16186&cat=0&page=1>
Higher gain panel antennas:
<http://www.fab-corp.com/home.php?cat=255>
--
Jeff Liebermann
(E-Mail Removed)
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060
http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558