| BLE/BTLE | Bluetooth Low Energy | |
| BT | Bluetooth | |
| ISM Band | Industrial Scientific and Medical Band | The frequency band, in which WiFi, BT and IEEE 802.15.4 operate, is the 2.4GHz ISM BAND |
| MAC | Medium Access Control | This is context dependent |
| PHY | Physical Layer | |
| RF | Radio frequency | |
| WiFi | Expensive certification for IEEE 802.11 compliance; No direct meaning | The WiFi Alliance specifies the different WiFi revisions like WiFi4-7, which are a subset of the IEEE 802.11 in the sense, that they specify which features are required and which are optional for certification. WLAN and WiFi can in practice be used interchangeably. |
| WLAN | Wireless Local Area Network | This is defined in IEEE 802.11 |