Key Suppliers of RADIO SYSTEMS.

RADIO SYSTEMS, a type of TELECOMMUNICATIONS.

Radio Systems are a type of Telecommunications. This subcategory addresses business telephone systems ranging from small key systems to large?scale private branch exchanges. These systems can be classified by the underlying technology: traditional lines versus Voice over IP (VoIP). Both types provide similar functionality, but VoIP converts audio signals into digital data that travel via broadband connections—such as fibre?optic, digital subscriber line or cable networks—to their destination instead of plugging into a traditional phone jack. Desktop telephone equipment includes, but is not limited to, telephones, cordless phones and headsets. Additionally, the subcategory includes systems or devices designed for monitoring behaviour, activities or other changing information—typically of people—for purposes of managing, directing, influencing or protecting them.