We look at two finger-sized Wi-Fi finders from ZyXEL and TrendNET that can answer that question with no notebook required.. To save you the trouble of pulling out your laptop and opening up your favorite wardriving program, ZyXEL and TRENDnet have each released own finger-sized Wi-Fi finders - the AG-225H from ZyXEL and the TEW-509UB from TRENDnet - that provide all the information you need to know about in-range wireless networks. Both are the first Wi-Fi finders that are able to sniff out nearby 802.11a wireless networks, in addition to the 802.11b/g detection provided by their predecessors. The TRENDnet device may be blue and say 'Hotspot Detector' upon booting up, while the ZyXEL is silver and has 'Hotspot Finder' as its welcome message....

We look at two finger-sized Wi-Fi finders from ZyXEL and TrendNET that can answer that question with no notebook required.. As far as their operation as Wi-Fi finders, both products are virtually identical and could well mark the evolutionary end of the line for this product category. With their dual-band operation, truly pocketable size, LCD readout of signal strength, encryption status and SSID, and rechargeable NiMH battery, there's not much else to be done to provide a more capable Wi-Fi finder (aside from a backlit screen, perhaps)....

• -Wi-Finding Duo: ZyXEL AG-225H And TRENDnet TEW-509UB
• -Wi-Finding Duo: ZyXEL AG-225H And TRENDnet TEW-509UB

Targus officials also brought in their new WiFi Finder. Other WiFi finders only light an LED when they find a hotspot, but the Targus model will display the channel number, SSID, and signal strength....