Dictation equipment specialist PC and Mac digital dictation and transcription foot pedal systems and software for medical transcription, dictation, and digital voice recording. Download free software upgrades. Since 1957. Today we are manufacturing police body cameras that help law enforcement and the community document police interactions. Martel also works directly with the FBI, CIA and Homeland security to develop products that keep our country safe. Martel specializes in voice processing and document creation dictation equipment. Martel has been manufacturing counter surveillance products for over 50 years. We also have a full line of ALPR police license plate readers. Martel has been manufacturing counter surveillance products for over 50 years.