The best toolkit for improving your cellular and wifi signal.
- Signal direction
- Signal graph
- Map and radar views of cell towers & WiFi routers
- Detailed signal strength data
- Save data to SD card
- Widget (in beta!)
- Save wifi access points and maps of their locations by running the speed test
- History of signal readings
The simplest tactic to improve your reception is to walk in the direction of your signal. Not foolproof, but worth a shot!
Option to contribute to the OpenSignalMaps.com project: were TRUE coverage maps of cell phone networks & wifi data points freely available to all.
Problems? Email us!
Tips:
- Click the wifi-cells toggle button on the bottom left to see wifi routers
- Use wifi and GPS for best speed and accuracy
- Verizon & Sprint users will see only one connected tower at a time
- Not all towers and wireless routers are in our database. Sorry!
- Moving in the direction of your cell tower will not always improve reception due to interference effects and local geography.
- Data is mainly crowd sourced - wireless and antenna locations are calculated by triangulation. This means they are not exact, and sometimes they may be way off. As more people use this app the data will improve.
- Click on the "i" on the overview screen to see more signal stats - including signal RSSI in ASU and dBm
Advanced notes:
- For GSM, cell tower are identified via cell id and location area code (CID and LAC)
- For CDMA, cell towers are identified via Network ID, Base sub-station ID and system ID (NID, BSSID and SID)
- See our website opensignalmaps.com for more detail on using the app and please add your requests for developments.
Were building trustworthy and comprehensive coverage maps for GSM, CDMA; for 2G, 3G & 4G. We think this is the best signal tool you can find, let us know if you think anything is missing.
Networks were mapping: Orange, Vodafone, O2, 3, AT&T, Sprint, Verizon, Movistar, Claro. And over a hundred others.
(key words: opensignalmaps, opensignalmap, opensignal)
Recent changes Open Signal Maps for Android:
We restyled the menus!
We got rid of Turbo mode because people were confused about what it did, and to be honest so were we. We replaced it with "maximum background data collection" this will turn your GPS on suck your battery, but it will collect a lot of data! To stop you leaving it on by mistake it turns on a notification in the top bar.
We added a button to report femtocells as well, thanks to everyone who has been in touch about this.
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