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Add 2 Meter (~144mhz) Amateur Radio Regions (#10623)

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Default slots:
ITU1_2M: Slot 26 (144.510 MHz)
ITU2_2M: Slot 51 (145.010 MHz)
ITU3_2M: Slot 33 (144.650 MHz)
This commit is contained in:
Austin
2026-06-03 18:05:03 -04:00
committed by GitHub
co-authored by GitHub
parent 3e873c51b7
commit ef51c7ec11
7 changed files with 67 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/mesh/MeshRadio.h
+3 -3
View File
@@ -129,7 +129,7 @@ static inline float bwCodeToKHz(uint16_t bwCode)
if (bwCode == 10)
return 10.4f;
if (bwCode == 16)
return 15.625f;
return 15.6f;
if (bwCode == 21)
return 20.8f;
if (bwCode == 31)
@@ -241,12 +241,12 @@ static inline void modemPresetToParams(meshtastic_Config_LoRaConfig_ModemPreset
sf = 8;
break;
case PRESET(TINY_FAST):
bwKHz = 15.625f;
bwKHz = 15.6f;
cr = 5;
sf = 7;
break;
case PRESET(TINY_SLOW):
bwKHz = 15.625f;
bwKHz = 15.6f;
cr = 6;
sf = 8;
break;
src/mesh/RadioInterface.cpp
+31 -2
View File
@@ -58,8 +58,8 @@ const RegionProfile PROFILE_EU868 = {PRESETS_EU_868, 0, 0, false, false, 0, 1, 1
const RegionProfile PROFILE_UNDEF = {PRESETS_UNDEF, 0, 0, true, false, 0, 1, 1};
const RegionProfile PROFILE_LITE = {PRESETS_LITE, 0.4, 0.0375f, false, false, 0, 10, 10};
const RegionProfile PROFILE_NARROW = {PRESETS_NARROW, 0, 0.0104f, true, false, 0, 1, 1};
// Ham '20kHz' profile. 15.625kHz bandwidth coerced to 20kHz via padding.
const RegionProfile PROFILE_HAM_20KHZ = {PRESETS_TINY, 0, 0.0021875f, false, true, 0, 2, 2};
// Ham '20kHz' profile. 15.6kHz bandwidth coerced to 20kHz via padding.
const RegionProfile PROFILE_HAM_20KHZ = {PRESETS_TINY, 0, 0.0022f, false, true, 0, 2, 2};
#define RDEF(name, freq_start, freq_end, duty_cycle, power_limit, frequency_switching, wide_lora, profile_ptr, default_preset, \
override_slot) \
@@ -230,6 +230,35 @@ const RegionInfo regions[] = {
*/
RDEF(BR_902, 902.0f, 907.5f, 100, 30, false, false, PROFILE_STD, PRESET(LONG_FAST), 0),
/*
ITU Region 1 (Europe, Africa, Middle East, former USSR) amateur 2m allocation: 144.000 - 146.000 MHz.
Power limit is the regulatory ceiling (1 W / 30 dBm) — individual hardware will cap below this
via its own PA curve; the field here is just the legal upper bound.
Default slot: 26 (144.510 MHz)
https://www.iaru-r1.org/wp-content/uploads/2020/12/VHF-Bandplan.pdf
*/
RDEF(ITU1_2M, 144.0f, 146.0f, 100, 30, false, false, PROFILE_HAM_20KHZ, PRESET(TINY_FAST), 26),
/*
ITU Region 2 (Americas) amateur 2m allocation: 144.000 - 148.000 MHz.
Typical admin rules (e.g. US FCC Part 97) allow well above 30 dBm for licensed operators.
Default slot: 51 (145.010 MHz)
https://www.arrl.org/band-plan
*/
RDEF(ITU2_2M, 144.0f, 148.0f, 100, 30, false, false, PROFILE_HAM_20KHZ, PRESET(TINY_FAST), 51),
/*
ITU Region 3 (Asia/Pacific) amateur 2m allocation: 144.000 - 148.000 MHz.
Typical admin rules allow well above 30 dBm for licensed operators.
Default slot: 33 (144.650 MHz)
https://www.iaru.org/wp-content/uploads/2020/01/R3-004-IARU-Region-3-Bandplan-rev.2.pdf
https://www.wia.org.au/members/bandplans/data/documents/WIA%20Australian%20Band%20Plan%202026.pdf
*/
RDEF(ITU3_2M, 144.0f, 148.0f, 100, 30, false, false, PROFILE_HAM_20KHZ, PRESET(TINY_FAST), 33),
/*
2.4 GHZ WLAN Band equivalent. Only for SX128x chips.
*/