Communications
Communicating when the network fails: phone, PMR446 radios, CB, amateur radio and Meshtastic.
3 guides
Guides
Advanced guideRadio without a network: PMR446, citizens' band, amateur radio and MeshCore
Which radio to choose, what Portugal's regulator ANACOM allows without a licence, and what to expect from each — from family in the same neighbourhood to text messages over LoRa.
7 min readOpen guide →
Essential guideCommunicating when the network fails: phone, radio and distress signals
How to call for help, find out what's happening and reach your family when calls won't connect — from 112 without a SIM to licence-free walkie-talkies and the whistle distress signal.
8 min readOpen guide →
Practical guideThe 3-3-3 Plan and MeshCore: your neighbours' radio network
Channel 3, every 3 hours, for at least 3 minutes: the radio routine that connects neighbours over CB and PMR446 — plus text messages over LoRa on the MeshCore Portugal network, with no internet or operator.
11 min readOpen guide →