A device that detects the presence of an 802.11 network. Also called a "Wi-Fi finder" or "Wi-Fi signal finder," it lets you know if a wifi spot or spots are available without having to turn on your laptop. Handheld finders may have readouts that identify the network ID and status, while keychain-based units blink LEDs to show signal strength.
The Handheld wifi spots finder
The Digital wifi spots finder from Canary Wireless does more than just indicate the signal strenghts of free Wi-Fi spots within rangeb, its readout describes the networks it finds, including the network's name ID (SSID), signal strength, encryption status (Open or Secure) and channel number.
The readout will currently display the SSID of the best free wifi signal network it finds and all other networks available.
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