Minimum RSSI Value

[nccgroup]

Minimum RSSI Value

[sultanqasim]

Hmm, I have not experimented with receiving really low RSSI frames. By default, sniff_receiver.py configured an RSSI floor of -80 for advertisements, but that can be overridden through the command line arguments. I did not deliberately set any other RSSI threshold, but it might be that some different radio tuning overrides are needed for hitting TI’s published RSSI floor. I did configure the hardware to ignore received frames with an invalid CRC, so maybe that’s contributing to loss of low RSSI data.

I can look into this more when I have time.

[cschweers]

In my experience it is not possible to achieve such low receiving field strengths in a current home or office environment. People nowadays tend to use so much technology that uses the 2.4 GHz ISM band(WLAN, Zigbee ...) that there is a lot of noise on the RSSI floor.
Another problem will be that the LauchPad is normally supplied with power via the USB port of a PC or laptop.. This will be another source of noise that affects the sensitivity of the receiver.