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Obstacles could be different but BLE should work about 50 meters maximum in the case we have a lot of interference.
To optimize communication, in configuration mainly should be enabled CODEC 8 Extended and we would recommend to use maximum signal strenght of BT from device side too. In beacon list you can use filter for them. Then only those beacons which is filtrated will be found in that building.
Functioning
Beacons (BLE ID TAGS) transmit signal which devices is catching them and getting information:
First half byte –
current data part
Second half byte –
total number of data
parts
Bitwise parameter, specify BLE beacon type and parameters
(signifies if specific data is present for certain beacon)
Bit 0 – signal strength 0/1
Bit 1 – Battery Voltage 0/1
Bit 2 – Temperature 0/1
Bit 3 – Reserved
Bit 4 – Reserved
Bit 5 – BLE beacon type 0/1
Bit 6 – Reserved
Bit 7 – Reserved (eddystone/ibeacon)
iBeacon – 20B (UUDI, major, minor)
Eddystone – 16B
(Namespace, Instance ID)
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