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Description

PMD

Physical Media Dependent

PMIP

Proxy Mobile IP

PMT

Public Map Table

PNA

Presence Network Agents

PNG

Portable Network Graphics

PNT

Positioning, Navigation, and Timing

PoC

Push-to-talk over Cellular

Pockels cell

An electro-optic device in which birefringence is modified under the influence of an applied voltage.
Note: A Pockels cell may be used as an intensity modulator at optical wavelengths.

POF

Plastic Optical Fiber

POI

Abbreviation for point of interface.

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