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Whats a good iphone app to measure cellular signal strength?
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Beamin:
I saw an app in the new eletroboom youtube video where he has an app that measures cellular signal strength and even wifi. The more technical the better. I have xfinity internet where you essentially use the closest comcast router and piggy back off their modem, a feature comcast keeps hidden but advertises as "hot spots" Its unreliable at best and the signal varies alot I would like yo figure why and how it works.  Some times its great some times it doesnt work at all and other times it will connect but have no internet connection. Anyone else use this? Im usig it until can get my own connection.
SteveyG:
The "Signal Strength" feature in any phone is usually very basic, often just the average amplitude at the receiver. It can be easily fooled by other signals at the same or similar frequencies since it is not a precision instrument!

I had a quick look at the available apps, there seems to be a whole plethora available - best thing would just be to try some out and see if they do what you need.
GlennSprigg:

--- Quote from: SteveyG on September 21, 2021, 08:49:43 am ---The "Signal Strength" feature in any phone is usually very basic, often just the average amplitude at the receiver. It can be easily fooled by other signals at the same or similar frequencies since it is not a precision instrument!

I had a quick look at the available apps, there seems to be a whole plethora available - best thing would just be to try some out and see if they do what you need.

--- End quote ---

It's true what you say about possibly being very basic, but I've always been impressed with the literal plethora of many 'sensors'
within modern 'smart-phones' these days!!  (Altitude/Pressure, 3D orientation, 3D accelerometers etc etc). I don't know about 'iPhones',
but for Android, look at an App called 'Sensors Toolbox'. It's amazing what it can show !!   :scared:
Beamin:

--- Quote from: GlennSprigg on September 21, 2021, 12:34:10 pm ---
--- Quote from: SteveyG on September 21, 2021, 08:49:43 am ---The "Signal Strength" feature in any phone is usually very basic, often just the average amplitude at the receiver. It can be easily fooled by other signals at the same or similar frequencies since it is not a precision instrument!

I had a quick look at the available apps, there seems to be a whole plethora available - best thing would just be to try some out and see if they do what you need.

--- End quote ---

It's true what you say about possibly being very basic, but I've always been impressed with the literal plethora of many 'sensors'
within modern 'smart-phones' these days!!  (Altitude/Pressure, 3D orientation, 3D accelerometers etc etc). I don't know about 'iPhones',
but for Android, look at an App called 'Sensors Toolbox'. It's amazing what it can show !!   :scared:

--- End quote ---

Thats a cool tool for iphone. I downloaded some signal apps and most are just ads that you have to pay 99 cents for to unlock each feature so you pay then you try it out costs like 10 bucks per app. Really tried downloading alot and no luck so far.

The iphone 10max is a 4g phone I think but some apps will pick up 5g hexagon towers on a map. How can it do that? Or is it just a frequency they are looking for.
tooki:
Apple actually provides basic tools for free.

For cellular, launch the Field Test app by “dialing” the phone number *3001#12345#*.

For Wi-Fi, download Apple’s free AirPort Utility app. It contains a Wi-Fi scanner.
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