Here's some antenna links.
Links for Antennas to BUY:
--------------------------
Note: I neither approve or make claim that the following
comply with any standards or are suitable for use in the UK.
The BUYER should confirm this for themself.
http://www.avaya.com (UK agents)
7 dBi Omni-Directional Campus
roaming Antenna (Female N-type)
Comcode: 848312591
http://www.avaya.com (UK agents)
10 dBi Omni-Directional Base Station
Antenna (Female N-type)
Comcode: 848515698
http://www.solwise.co.uk/wireless_sundries.htm
Cheap indoor low gain 5dB Omni
with reverse SMA Connector
£9.99 inc. VAT
http://www.solwise.co.uk/wireless-outdoorantenna.htm
Cheap outdoor 8dB omnis £33 inc. VAT
http://www.G1MFG.com
10dBi Yagi £47 inc. VAT and P&P
with reverse SMA Connector
All Prices noted are at date below
and may be revised by the vendors at any time.
Do It Yourself (DIY) antennas:
------------------------------
http://www.turnpoint.net/cantennahowto.htm
Cheap, ~£2.50
5 to 12dBi or more (depending on can size)
Waveguide directional antenna.
http://wireless.gumph.org
Multi-element (extendable) collinear Omni for
under £5.
2 to 10dBi depending on number of elements used.
Based on a design at:
http://www.guerrilla.net/reference/antennas/2ghz_collinear_omni/
http://www.wlan.freeuk.com/tech/antenna/test-dipoles.htm
Quick/cheap (~£2.50) low gain 2.5dBi omni's
http://www.repeater-builder.com/wa6svt.htm
Omni-Gain Vertical Collinear for VHF and UHF
http://www.wireless.org.au/~jhecker/helix/helical.html
12dBi Helical Directional Antenna
http://www.saunalahti.fi
Assorted DIY antennas
17 Jan 03