| LOS | Line Of Sight | |
| ATCF | As The Crow Flies | |
| AGL | Above Ground Level | |
| HWT | HeyWhatsThat | A website that creates Line Of Sight signal coverage maps |
| SNR | Signal-to-Noise Ratio | How much unrelated radio interference there is compared to meshtastic signals |
| RSSI | Received Signal Strength Indicator | An abstract measurement of how strong a received signal was |
| SWR | Standing Wave Ratio | How well tuned an antenna is, closer to 1 is better |
| BBS | Bulletin Board System | A local message board hosted on a Meshtastic node that users on the mesh can post to and read from |
| MQTT | Message Queueing Telemetry Transport | A general purpose internet-based data streaming format that Meshtastic uses to bridge from the mesh to the internet |
| Rx | Receive | A radio’s ability to hear radio waves |
| Tx | Transmit | A radio’s ability to create radio waves |
| ChUtil | Channel Utilization | The percentage of time the radio channel is busy |
| LoRa | Long Range - A low-power | The radio standard that Meshtastic uses |
| GPIO | General-Purpose Input/Output - Configurable pins on microcontrollers | |
| 4631 | RAK’s 4631 “WisBlock” node | |
| RAK150 | A completed node built around RAK’s 150x75mm solar enclosure | |