WiFi Finder

A WiFi finder is a small, portable, battery operated device that locates wireless hotspots so you don’t have to turn on your laptop to see if a network is available. The most basic model is about the size of a mouse, though there are also very small keychain models.

Most WiFi finders have a single button and three or more LED lights. Depressing the button starts the device searching for WiFi signals. Most finders search in the 802.11b/g bands. If no networks are detected, the LEDs remain off. A weak signal will initiate one light, while the strongest signal initiates all LEDs. If only one light is steady, you can head in a direction that causes more LEDs to light. When lights flash, the signal is intermittent or weak.

When considering a WiFi finder, one of the specifications to pay particular attention to is how far the device scans. Less expensive models might scan up to 150 feet (46 meters), while other models can have the capacity to scan 300 feet (92 m) or more.

WiFi Finder

WiFi Finder

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