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ENG-CANSAT-FREQUENCY-PLAN (voir la source)
Version du 20 octobre 2021 à 20:45
, 20 octobre 2021 à 20:45→Frequency plan explained
== Frequency plan explained ==
== Frequency plan explained ==
Why do we space the frequencies of 0.1 MHz (so 100 KHz)? Spacing more (>100 KHz) will be best, spacing less (<100 KHz) is not recommended.
Why do we space the frequencies of 0.1 MHz (so 100 KHz)? Spacing more (>100 KHz) will be best, spacing less (<100 KHz) is not recommended.
The following capture coming from USA shows the spectrum view (and waterfall view) of a RFM69 emiting on the 868.0 MHz frequency.
{{ambox|text=Note: the 868.0 Mhz is a FREE ISM band in USA. In Europe, that frequency range is reserved for LoRa transmission!}}
[[Fichier:ENG-CANSAT-FREQUENCY-PLAN-10.png|640px]]<small><br />Source: [https://forum.mysensors.org/topic/11501/rfm69-range-issues this thread in the mysensors.org forum]</small>
[[Fichier:ENG-CANSAT-FREQUENCY-PLAN-11.png]]<small><br />Source: [https://forum.mysensors.org/topic/11501/rfm69-range-issues this thread in the mysensors.org forum]</small>
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