RSSI is negative with USB Radius beacon

RadiusNetworks / android-ibeacon-service

An Android library providing APIs to interact with iBeacons

http://developer.radiusnetworks.com/ibeacon/android/index.html

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RSSI is negative with USB Radius beacon #35

Closed Nedvedyy closed 10 years ago

Nedvedyy commented 10 years ago

Hi,

I am using USB radius beacon and getting RSSI = -64 on iOS7 phone. May I know it is normal? On https://developer.apple.com/library/ios/documentation/CoreLocation/Reference/CLBeacon_class/Reference/Reference.html#//apple_ref/occ/instp/CLBeacon/rssi , it says accuracy can be negative, but not RSSI. Is it a hardware fault?

Regards Ned

Sfavilla commented 10 years ago

Hi, I have used iBeacon for awhile and RSSI is always negative. It is the received signal strength in db.And the value you are getting is normal.

davidgyoung commented 10 years ago

Yes, a negative value is typical to be expected. A value of 0 would be an extremely strong signal, a value of -100 would be a weak signal, and a value of -64 would be typical.