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Questions tagged [signal-strength]

155 questions
88
votes
7 answers

How to calculate distance from Wifi router using Signal Strength?

I would like to calculate the exact location of a mobile device inside a building ( so no GPS access) I want to do this using the signal strength(in dBm) of at least 3 fixed wifi signals(3 fixed routers of which I know the position) Google already…
Ihab
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45
votes
4 answers

Android: How do I get GSM signal strength for all available network operators

I am working on a little app to check the signal strength of various network operators in my area. My current operators signal is quite unstable and I want to look into the strength of other GSM operators. Sofar I've been using the TelephonyManager…
The Schwartz
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39
votes
9 answers

Get Signal Strength in Android

I want to get the Signal Strength of the Device at the point I hit the API call. I have searched on all the related threads and I am not successful yet. So I would like to get the signal strength like SignalStrength ss = null ; // some…
VIGNESH
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15
votes
4 answers

How to get LTE signal strength in Android?

I am using Verizon's new LTE handset from HTC Thunderbolt. I cannot find the API to query for the signal strength while the handset is on LTE. By entering the field test mode (##4636##), I can see signal strength as -98dBm 2 asu. Anyone know what…
Dillon Jay
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10
votes
1 answer

Range for signalStrength in dbm for CDMA devices

I am checking Signal Strength for CDMA devices. Can anyone specify the range signalStrength.getCdmaDbm() returns?. Lowest is -120 but for full signal strength what is the value? Highest I got is -52.
JAPS
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8
votes
1 answer

Which Values (High or Low) are better in Android's getGsmSignalStrength()

I'm playing around with reading the signal strengths in a small Android App, and was wondering if anyone has tested this (or just knows) of the documented values (0-31, 99) which value is better. By asking which is better, I mean, does 0 represent…
fernferret
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8
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0 answers

Determining iOS Signal Strength

Is there a way to determine the signal strength of an iOS device? I found this: iOS Get Signal Strength in Swift (Core Telephony) But there didn't seem to be a solution here. Has an API been written for this? Keep in mind, I need the solution to be…
user3185748
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8
votes
0 answers

Wifi Signal strength in IOS8

My App used to measure the Wifi Signal strength . For that I have used a private API in iOS7 libHandle = dlopen("/System/Library/SystemConfiguration/IPConfiguration.bundle/IPConfiguration", RTLD_LAZY); But now it seems that Apple has removed it to…
Mushtaque Ahmed
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7
votes
0 answers

Detect Signal Strength for Dual Sim

For finding the Signal Strength I made the following changes in my project, So i will raise a API request if signal strength is good. If poor, we will prompt to user regarding the internet connection. But this code is working only for single sim…
Saikumar
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7
votes
4 answers

Android dual SIM signal strength

I have been trying to get access to some features on my android dual sim phone (the brand is LKD). I have managed to get the functions for TelephonyManager and ITelephony through java reflection, and got them to run. However i want to get the signal…
dag roger stokland rui
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7
votes
1 answer

How to obtain cell tower data for iPhone 5?

I'm trying to get cell tower data with my iPhone 5. I've been testing with VAFieldTest (https://github.com/valexa/VAFieldTest). In the file VAFieldTestViewController.m…
ikevin8me
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7
votes
2 answers

Device showing signal Strength if no Sim is present

I have used the following code to get the signal strength, SignalStrengthListener signalStrengthListener; signalStrengthListener = new SignalStrengthListener(); ((TelephonyManager) getSystemService(TELEPHONY_SERVICE)).listen( …
Sahil Mahajan Mj
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6
votes
1 answer

Best method to determin distance with WI-FI signal strength

I start working in an android application that determin the position with the WI-FI Signal Strength.well i read a lot of theses and every time a found a new idea and new concepts ,and that made me confused about the method i'm going to…
Amina
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5
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4 answers

Retrieve GSM signal strength in Android

I'm a newbie to Android. How do I get the GSM signal Strength in terms of percentage (1 - 100%)?
Ashraf
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5
votes
1 answer

how to get a list of available gsm networks?

i'm currently writing on some piece of code in android 2.1 that is supposed to measure the signal strength of the gsm signals. what i need is some kind of list with some kind of network IDs matching the corresponding signal strengthes... i got this…
xenonite
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