Raw RSSI (Received Signal Strength Indicator) - The higher the RSSI value, the stronger the signal. When measured in negative numbers, the number that is closer to zero usually means better signal. As an example -50 is a pretty good signal, -75 - is fairly reasonable, and -100 is no signal at all.
Data Rate (Bytes/sec) - easy to understand…Higher the better
Retransmission - Reliable delivery of broadcasted packet. Lower number is better.
Bitpool - Lower number will cause choppiness of audio (Value around 50 is considered high or good)
SBC codec recommended bitrate is 328 kb/sec