Hot answers tagged

3 votes
Accepted

LoRaWAN device leaving a network and then coming back... what Join behavior to expect?

LoRaWAN end devices have to cope with 2 different types of network connectivity issues: The device temporarily loses network connectivity. This can happen in the following example cases: There is no ...
3 votes
Accepted

LoPy4 MQTT Example does not Work

I was quite naive. I was using localhost on the LoPy instead of the broker IP. Replacing that fixed the issue. Thanks for all the answers!
  • 151
2 votes
Accepted

Allowed RF frequencies in UK using RFM69

Different bands may or may not be allowed in different countries, or not with the same rules (power, duty cycle, etc.). Also the exact band may vary (for instance the “900 MHz band” is actually the ...
  • 1,843
1 vote
Accepted

Calculation LoRa range with RA02 chip

First and foremost, any theoretical calculations are only valid if you have line-of-sight (LoS) between transmitter and receiver. As soon as you have an obstacle, it is nearly impossible to compute it,...
  • 1,843
1 vote
Accepted

Heltec WiFi Lora32 - Can i received LoraWAN packets?

First of all, I'm pretty sure you are aware that LoRaWAN traffic is encrypted, so you wouldn't be able to actually read much of anything of the payloads. Depending on where you are and your setup (...
  • 1,843
1 vote

LoRaWAN device leaving a network and then coming back... what Join behavior to expect?

Here is the detailed behavior for Abeeway brand trackers. Network timeout monitoring Not receiving any downlink communication from the network is a serious symptom. It can mean that the tracker became ...
1 vote
Accepted

What are the datarate and ADR best practices for moving objects

LoRaWAN's ADR has a relative long convergence time, because the network server needs to collect data (SNR, packet error rate, etc.) from several uplink messages before it could calculate the ideal ...

Only top scored, non community-wiki answers of a minimum length are eligible