Signal 2 is a utility created by iPhone Dev Team member planetbeing that displays information about the cell tower your iPhone is connected to as well as neighbouring cells. It detects and maps the location of all nearby cell towers so that the user can easily get a good idea of their cellular coverage or where to go to get the best cellphone reception.On an unlocked phone, a user can swap SIMs and determine which carrier is best for him or her based on cellular coverage. In addition the map, other useful technical data is displayed including RSCP (signal strength) in dBm and Ec/N0 (signal quality) to all neighbours, the PSC of the cells, as well as the frequency each cell is broadcasting in.
Signal 2 is exclusively available from the Cydia Store on jailbroken iOS devices with cellular radios running iOS 5 and above.
Frequently asked questions
How come there are only a few lines when I open Signal?
When your iPhone is in 3G mode, it takes some time before Signal can figure out where they are located and be able to draw them on the map (and draw lines connecting your current location with them). Leave it on for a few hours or take your iPhone on a walk and it should “learn” the locations of the cells faster (you only need to do this once since they are stored on flash). If you turn off 3G, you can quickly acquire the location of nearby 2G towers. A more technical answer is that for UMTS, cell ID is not decoded from the layer 3 data so this information is unavailable without altering the baseband firmware. However, as the iPhone camps on more and more local cells, it will learn to associate a cell ID with a certain downlink frequency and primary scrambling code within a locality. This lets it know the location area code and cell ID for UMTS neighbor cells that it has associated with before and be able to plot them on the map.
Screenshot
Installation and Download
- Signal 2 Free (Install withCydia)
- Available for free in the following sources:
- SinfuliPhone Source
- Signal 2 Free (Download .deb)
What’s New In Signal 2 2.0.8-1
Fixed bugs
Fixed bugs
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[Please Report Broken Links]
http://androidapplsdownloadspot.blogspot.com/2013/04/signal-2-cydia-app-free-download-deb.html
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