| Abbreviation | Definition |
|---|---|
| PLB | Payload LoopBack |
| PLC | Power Line Carrier |
| PLCP | Physical Layer Convergence Protocol |
| PLM | Power Line Modem |
| PLMN | Public Land-Mobile Network |
| PLMTS | Public Land Mobile Telecommunications System |
| PLS | Private Line Service |
| PLT | Power Line Telecommunications |
| PM | Performance Monitoring |
| PMA | Pale Moon For Android |
| PMD | Pakistan MNP (Mobile Number Portability) Database |
| PMM | Packet Mobility Management |
| PMR | Personal Mobile Radio |
| PMRS | Private Mobile Radio Service |
| PMRS | Public Mobile Radiotelephone Services |
| PNA | Phone Network Alliance |
| PNNI | Private Network Node Interface |
| PNP | Private Numbering Plan |
| POC | PTT (Push-To-talk) Over Cellular |
| POH | Path OverHead |