I didn’t play with all its features, but it did seem to show exactly the information you need to understand your local wifi environment. What gives? I’m using the official Windows API–what could be better? (Don’t laugh.) By the way, while wifi scanners are now a dime a dozen, inSSIDer Office seems like a pretty cool tool.
Inssider office replacement trial#
I downloaded a trial copy and found that indeed, my app was showing signal strengths that were generally about 10 dB lower than reported by inSSIDer Office. I logged the lRSSI field for all detected access points and called it a day.īut a few days ago I received an email noting that the values logged by my app don’t match those from a popular wifi troubleshooting app called inSSIDer Office, and asking me to investigate. This structure has an lRSSI field documented as returning “the received signal strength indicator (RSSI) value, in units of decibels referenced to 1.0 milliwatts (dBm).” How convenient–dBm is exactly the reference everyone in the wireless industry uses for signal strength. The WlanGetNetworkBssList() function returns a list of WLAN_BSS_ENTRY structures, each containing information about a detected WiFi BSS (think access point).
This app retrieved signal strengths from Windows using what was then called the Wlan API, since renamed Windows Native Wifi. Years ago I’d written a wifi scanning app that logs RSSI data from nearby wireless access points.
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