| Abbreviation | Definition |
|---|---|
| MTU | Master Terminal Unit |
| MTU | Maximum Transfer Unit |
| MUART | Multiplexed Universal Asynchronous Reciever/ Transmitter |
| MUE | Mission Unique Electronics |
| MUF | Maximum Usable Frequency |
| MUL | Modify User Login |
| MUP | Modify User Password |
| MUS | Multi-User System |
| MUTE | Multiple Unit Transmission Elimination |
| MUX | Multiplexer |
| Muxing | Multiplexing |
| MV | MegaVolt |
| mV | MilliVolt |
| MVC | Model View Controller |
| MVDS | Multipoint Video Distribution Service |
| MVE | Meadow Valley Electric |
| MVTR | Moisture Vapor Transmission Rate |
| MW | MegaWatt |
| MW | MicroWave |
| mW | milliWatt |