iOS Wifi Scan, Signal Strength

iOS wifi scan, signal strength

As far as i know this can still be done (using private APIs, of course) by MobileApple80211 framework.

Stumbler code is a good source of information on how to use this framework.

For iOS 5 you'll need a jailbroken iPhone. Guvener Gokce has a very educational blog post on this: iPhone Wireless Scanner iOS5

How to measure WiFi Signal strength in iOS

You can do # 1 via NEHotspotHelper.

Here's a thread where you can find more information, plus a sample github repo!

You can do # 2 via NetworkExtension

More information in this closely related question

Both of these require a special entitlement you need to apply for. Check out the paragraph at the start of the NEHotspotHelper documentation.

Is there a way to know the strength of a WiFI signal on iOS

No you can check only if connection is available or not but you can't get signal strenth.For more detail you can go with this link
here

iOS 11.0 - Periodically scan for SSIDs (WiFi) nearby

Unfortunately, we can't achieve this in iOS.

When I learned about NEHotspotConfiguration, I was initially excited, because I was hoping we could automate this process. However, it doesn't look like there's a way to retrieve a list of currently available SSIDs, which makes NEHotspotConfiguration much less useful for our use case.

How to measure WiFi dBm strength on iPhone X iOS Swift

You can use signalStrength from NEHotspotNetwork as described here
https://developer.apple.com/documentation/networkextension/nehotspotnetwork/1618923-signalstrength

When the Hotspot Helper app is asked to evaluate the a network or
filter the Wi-Fi scan list, it annotates the NEHotspotNetwork object
via the setConfidence: method.

Here is the formula to convert Wifi Signal Strength Percentage to RSSI dBm:

quality = 2 * (dBm + 100)  where dBm: [-100 to -50]

dBm = (quality / 2) - 100  where quality: [0 to 100]

See this answer for more details:
How to convert Wifi signal strength from Quality (percent) to RSSI (dBm)?

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