In Emergency situations, communication is critical – this is why we are passionate about what we do. Our innovative family of speaker microphones and audio accessory products are so rugged and reliable they set a new standard of performance and quality. We are committed to the design and development of innovative and ruggedized audio accessories for the Land Mobile Radio (LMR) and Public Safety markets. Our LMR accessory customers are typically users in the public safety and heavy industrial sectors that require top quality and extremely rugged accessories that stand up over the long haul. Stone Mountain also specializes in custom solutions for OEM clients who need unique and specialized communications solutions.