| API | Application Programming Interface |
| AVR® | AVR microcontroller architecture |
| BOOTRST | Boot Reset (fuse bit controlling the reset vector) |
| DFIFO | Data First-In, First-Out (First-In, First-Out Buffer) |
| EEPROM | Electrically Erasable Programmable Read-Only Memory |
| EXT1 | Extension Header 1 |
| FSK | Frequency Shift Keying |
| GUI | Graphical User Interface |
| IDE | Integrated Development Environment |
| ID | Identifier |
| IRQ | Interrupt Request |
| MCU | Microcontroller Unit |
| NPWRONx | Power-On Control Pin |
| PC | Personal Computer |
| POR | Power-On Reset |
| RF | Radio Frequency |
| ROM | Read-Only Memory |
| RX | Receive/Receiver |
| RXBW | Receiver Bandwidth |
| TX | Transmit/Transmitter |
| UHF | Ultra-High Frequency |
| USB | Universal Serial Bus |
| VCO | Voltage-Controlled Oscillator |
| VS | Supply Voltage |
| WDT | Watchdog Timer |
