Knowledge Base Knowledge Base What is DMR? What are the key features of the DMR standard? What are the key benefits of DMR technology? What is IMPRES™? What is IMPRES™ 2? How should I manage and use my IMPRES™ battery? How do I Install MOTOTRBO™ Firmware? How do I Install a MOTOTRBO™ Device Feature? How do I Install a MOTOTRBO™ 20/25KHZ Wide Band Entitlement Key? What are the Differences Between the Motorola MOTOTRBO™ XPR and SLR Series Repeaters?