RFM9X Rssi problems

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SamuFinnos
 
Posts: 1
Joined: Thu Sep 23, 2021 7:14 am

RFM9X Rssi problems

Post by SamuFinnos »

Hi,

Im using Adafruit RFM9X Lora radio connected to Raspberry pi zero. I have to units that are doing a simple test in close proximity. The rssi value is around -100. No matter what antennas or what other devices are connected to raspi the signal strength is really bad. If i do a renge test i will get around 30 meters or so. Im using the adafruit_rfm9x python library with following settings in both devices:
'sck': board.SCK_1,
'mosi': board.MOSI_1,
'miso': board.MISO_1,
'cs': DigitalInOut(board.D16),
'reset': DigitalInOut(board.D25),
'freq': 433.0,
'txPower': 23,
'bandwidth': 250000,
'codingRate': 5,
'packetSize': 251

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jerryn
 
Posts: 1868
Joined: Sat Sep 14, 2013 9:05 am

Re: RFM9X Rssi problems

Post by jerryn »

Did you try the "simpletest" in the rfm9x library examples? https://github.com/adafruit/Adafruit_Ci ... pletest.py

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