Communication range

I’ve managed to get working RSSI indicator.
RSSI says how strong the signal is. The lower the weaker signal.

50 cm from dongle: -50 dBm
2m from dongle: -54 dBm

I was not able to compare RSSI for node FW with 10 and 11.6 dBm, the values we’re too close to say it had any advantage from few meters.

Signal is lost somewhere around -95 to -102 dBm in my case, when I’m behind many walls.

Here is the patch for SDK repository and compiled firmware for Radio Dongle.

usb-dongle-with-rssi.bin (99.3 KB) rssi.patch.txt (2.3 KB)

Now every incoming packet will create also RSSI MQTT message so you can test the position of your Dongle.

20:03:44  node/door-sensor:0/push-button/-/event-count 30
20:03:44  node/door-sensor:0/rssi -54
20:03:45  node/door-sensor:0/push-button/-/event-count 31
20:03:45  node/door-sensor:0/rssi -49
20:03:46  node/door-sensor:0/push-button/-/event-count 32
20:03:46  node/door-sensor:0/rssi -47
20:03:46  node/door-sensor:0/push-button/-/event-count 33
20:03:46  node/door-sensor:0/rssi -46.5
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