DealExtreme sku.48319 - Wifly-City 1500mW High Power 802.11b/g 54Mbps USB 2.0 Wireless Network Dongle with Dual Antenna
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My World...: 802.11b WLAN Waveguide Antennas Unidirectional ...
Waveguides? Aren't they a bit complicated?
In a word, Yes! Microwave technology is pretty esoteric, and it used to be reserved for the "spooks" designing electronic warfare systems, radars, and the like.
But microwave equipment has been steadily penetrating into mainstream applications. Microwave ovens (operating at 2.4GHz) have already been with us for several decades. These have been joined by satellite dishes and LNBs operating at 10GHz and more recently, multichannel 2.4GHz cordless phones.
Microwave technology seems complex because we have left the boffins in charge for too long. Microwave text books have been written by academics who revel in every detailed equation. But you don't really need to know about Poynting vectors or Maxwell's equations to deploy a really effective Wireless LAN. Let me show you how simple it really is...
...News
USB Antenna Offers Ten Times Wireless Range for MacsprMac (press release) - Sep 09, 2009
And the antenna is removeable, so a higher power antenna can be used to upgrade the Transceiver later. This easy-to-use device supports 802.11b/g wireless and morenbsp;raquo;Wireless Week - Sep 10, 2009
Both feature two antennas and switched transmitter diversity that automatically transmit on the antenna that is receiving the stronger signal. and morenbsp;raquo;Wi-Fi Planet - Sep 08, 2009
The Wi-Fire is a USB-based 802.11b/g adapter (alas, the Wi-Fire#39;s Atheros AR5007UG chipset doesn#39;t do 802.11n) paired with a high-gain directional antenna
MacNN - Sep 08, 2009
just the computer#39;s internal antenna. The device supports 802.11b and 8092.11g specifications, along with 64- and 128-bit WEP, WPA or WPA2 encryption.
Reuters - Sep 02, 2009
Xirrus Corrects Aruba Networks#39; Competitive ClaimsThe Wi-Fi Array integrates 4, 8, 12, 16, or 24 802.11abg+n radios coupled to a high-gain directional antenna system into a single device along with an and morenbsp;raquo;Reuters - Sep 01, 2009
AirPcap adapters are USB-based, capture full 802.11 data, management, and control frames, and range from an 802.11b/g capture-only adapter to an and morenbsp;raquo;Twice - Aug 26, 2009
The units now include FM modulators built into the power plug so there is no need for a separate FM antenna, as required previously. and morenbsp;raquo;


