Here is a portable Meshtastic node I've constructed for temporary events like a search and rescue or covering a race.
The hardware is identical to my tower node sans the solar panel as the battery alone is good for a few days of operation.
It's purpose is to be a text repeater.
Located reasonably high with a good antenna (for 915 MHz) to act as a relay for the other Meshtastic users.
Depending on terrain and how high up it's located, this should easily cover a couple mile plus area.
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It consists of a weather tight plastic case with a RAK Meshtastic 915 MHz LoRa module, 5 dBi antenna and a 5A 3.7 volt LiPo battery.
The module has a USB C connector for programming and charging the battery. Plugging and unplugging the battery turns it off/on.
A Bluetooth connection lets a nearby event manager manage the node remotely.
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73
Mike N0QBH
N0QBH Mike Berg