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Merge pull request #1287 from Nestpebble/patch-6

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Update to European Lora frequency and duty cycle info, including EU regulatory framework, and add UK regulatory doc
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rcarteraz 2024-06-11 08:31:50 -07:00 committed by GitHub
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9
docs/about/overview/radio-settings.mdx
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@ -25,22 +25,27 @@ Power limits will generally be lifted in the software if `is_licensed` is set to
## Europe Frequency Bands
EU countries will generally be covered by the Radio Equipment Directive ([2014/53/EU](http://data.europa.eu/eli/dir/2014/53/2023-10-01)) and subsequent amendments, which is then enacted in local laws. Useful information on this is located [here](https://single-market-economy.ec.europa.eu/single-market/european-standards/harmonised-standards/radio-equipment_en).
The bands below were selected based on the maximum power and the duty cycle available. It may be possible to use other frequency bands for specific applications, but these are not currently supported "out of the box".
### 433 MHz
The maximum power allowed for Europe is +10 dBm ERP ([Effective Radiated Power](https://en.wikipedia.org/wiki/Effective_radiated_power)).
The band range is from 433 to 434 MHz.
There are four frequendy slots defined with the standard radio preset `LongFast`. After factory reset the radio will be set to frequency slot 4 with a center frequency of 433.875 MHz.
There are four frequency slots defined with the standard radio preset `LongFast`. After factory reset the radio will be set to frequency slot 4 with a center frequency of 433.875 MHz.
### 868 MHz
The maximum power allowed for Europe is +27 dBm ERP ([Effective Radiated Power](https://en.wikipedia.org/wiki/Effective_radiated_power)).
The band range is from 869.40 to 869.65 MHz. This is less than the 863–870 MHz range defined as SRD Band, but allows for a higher ERP and a duty cycle of 10%.
The band range is from 869.40 to 869.65 MHz. This is less than the 863–870 MHz range defined as SRD ([Short Range Devices](https://www.etsi.org/technologies/short-range-devices)) Band, but allows for a higher ERP and a duty cycle of 10%.
There is one frequency slot defined with the standard radio preset `LongFast`. After factory reset the radio will be set to frequency slot 1 with a center frequency of 869.525 MHz.
It is worth noting that 868 MHz is generally the most popular frequency band for Meshtastic in Europe.
## North America Frequency Bands
### 915 MHz (ISM Band)

2
docs/blocks/_lora-regions.mdx
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@ -21,5 +21,5 @@
| `LORA_24` | 2.4 GHz band worldwide | 2400.0 - 2483.5 | 100 | 10 |
:::info
EU_433 and EU_868 have to adhere to an hourly duty cycle limitation of 10%. Your device will stop transmitting if you reach it, until it is allowed again.
EU_433 and EU_868 have to adhere to an hourly duty cycle limitation of 10%, calculated every minute on a rolling 1-hour basis. Your device will stop transmitting if you reach it, until it is allowed again.
:::

10
docs/configuration/region-by-country.mdx
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@ -159,11 +159,11 @@ If you'd like to contribute information for your country, click the "Edit this p
### U
| Country | LoRa Region | Regulatory document |
| --- | --- | --- |
| Ukraine | UA_868<br />UA_433 | |
| United Kingdom (UK) | EU_868<br />EU_433 | |
| United States of America (USA) | US | |
| Country | LoRa Region | Regulatory document |
| ------------------------------ | ------------------ | -------------------------------------------------------------------------------- |
| Ukraine | UA_868<br />UA_433 | |
| United Kingdom (UK) | EU_868<br />EU_433 | [IR2030](https://www.ofcom.org.uk/__data/assets/pdf_file/0028/84970/ir-2030.pdf) |
| United States of America (USA) | US | |
### V