Capturing and Decoding of PMR Signals – A Brief Introduction

Professional/Private mobile radios (PMR) are two-way radio voice communication systems, including most recognizable handheld radios and widely deployed push-to-talk systems. As these systems can employ direct communication between users, rather than sending information via a central hub (as cellphone or internet messages do), they are still the system of choice for many of those engaged in illicit activities, including criminal gangs and terrorists. As [...]