Meshtastic UK (EU_868) Firmware & Web Flasher
Transforms inexpensive nRF52840 and ESP32 LoRa transceivers into a decentralised, AES-256 encrypted text and GPS mesh network that hops across British rooftops and valleys with zero mobile phone masts or internet.
Verified UK Configuration Blueprint & Ofcom Clearance
Region: EU_868 (869.400–869.650 MHz, centre 869.525 MHz) • Modem Preset: LONG_FAST (250kHz BW, SF11) • Max Output: 500mW (27dBm) ERP • Statutory Duty Cycle: 10% (Ofcom IR 2030/1/19 licence-exempt)
UK Regulatory & Licensing Notes: Cleared under Ofcom IR 2030/1/19 (869.40–869.65 MHz Short Range Devices): 100% licence-exempt in the UK up to 500mW ERP & 10% duty cycle, with AES-256 encryption legally permitted on ISM bands.
Technical Deployment Specifications
| Software Stack | Meshtastic UK (EU_868) Firmware & Web Flasher (v2.5 LTS (Stable UK Profile)) |
|---|---|
| Open-Source Licence | GPL-3.0 Open Source |
| Supported Platforms | Web Serial (Chrome/Edge) • Windows • macOS • Linux • Android • iOS |
| Offline Storage Footprint | ~4.5 MB UF2 / .BIN firmware image (cacheable offline) |
Paired UK Stocked Hardware & Related Software
- Companion Hardware: OGA-RF-001
- Companion Hardware: OGA-RF-002
- Companion Hardware: OGA-RF-052
- Companion Hardware: OGA-CMP-006
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Frequently Asked Questions
How should Meshtastic UK (EU_868) Firmware & Web Flasher be configured for legal off-grid use in the UK?
Region: EU_868 (869.400–869.650 MHz, centre 869.525 MHz) • Modem Preset: LONG_FAST (250kHz BW, SF11) • Max Output: 500mW (27dBm) ERP • Statutory Duty Cycle: 10% (Ofcom IR 2030/1/19 licence-exempt) Regulatory status: Cleared under Ofcom IR 2030/1/19 (869.40–869.65 MHz Short Range Devices): 100% licence-exempt in the UK up to 500mW ERP & 10% duty cycle, with AES-256 encryption legally permitted on ISM bands.
Which UK hardware systems pair directly with Meshtastic UK (EU_868) Firmware & Web Flasher?
Meshtastic UK (EU_868) Firmware & Web Flasher (GPL-3.0 Open Source, footprint: ~4.5 MB UF2 / .BIN firmware image (cacheable offline)) runs on Web Serial (Chrome/Edge), Windows, macOS, Linux, Android, iOS and pairs directly with OGA-RF-001, OGA-RF-002, OGA-RF-052, OGA-CMP-006.