

It works in Europe too. It uses LoRa (A Long Range radio protocol) to be able to send messages out to other nodes, which can bounce them out to further nodes. A node can be configured to relay through the Internet to reach people in other areas.
I ordered the radio shown below from a kit on Amazon (it’s a Heltec v4 and came with a battery that isn’t pictured) and it took about 5 minutes to setup. Attaching the antenna to the board was the hardest part.











It doesn’t have to be unhealthy. They do have salads and grilled chicken, and even grilled chicken salads. Of course, the healthy items are quite a bit more expensive than the unhealthy items ($3 for large fries vs $4.20 for kale salad).