Communications devices, equipment, and systems transmit data in electronic form using either cabling or radio signals.
Automated Voice Answering Systems (116 suppliers)
Automated voice answering systems are used to take messages and to provide automated information retrieval requests.
Learn more about Automated Voice Answering Systems
Fax Machines (20 suppliers)
Fax machines are used to send and receive documents that are transmitted as a stream of audio data over a telephone line.
Learn more about Fax Machines
GPS Instruments and Devices (345 suppliers)
Global positioning system (GPS) instruments and GPS devices are radio-navigational devices that provide accurate position information about objects on Earth, based on information from orbiting satellites.
Learn more about GPS Instruments and Devices
Intercoms (259 suppliers)
Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device.
Learn more about Intercoms
Magnetic Receivers (5 suppliers)
Magnetic receivers use the electromagnetic principle to receive and analyze signals. The simplest of these devices is the telephone.
Learn more about Magnetic Receivers
Navigational Instruments (205 suppliers)
Navigational instruments include products such as distance meters, range finders and mapping systems.
Learn more about Navigational Instruments
Pagers (47 suppliers)
Pagers are electronic communications devices that are used to notify or alert a user about an event. They beep, vibrate, flash, display text, and use other alerts or methods of notification.
Learn more about Pagers
Phone Switchboards (68 suppliers)
Phone switchboards are used for routing telephone calls and adding advanced features to telephone systems.
Learn more about Phone Switchboards
Radar Systems and Products (168 suppliers)
Radar systems and radar products have synchronized transmitters and receivers that send radio waves and detect their reflections from objects, surfaces or sub-surface structures.
Learn more about Radar Systems and Products
Radios (413 suppliers)
Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for interpersonal communications.
Learn more about Radios
Telephone Components and Accessories (549 suppliers)
Telephone components and telephone accessories are used in telephone systems.
Learn more about Telephone Components and Accessories
Telephones and Cellular Phones (604 suppliers)
Telephones and cellular phones convert voice or other sound signals into a form that can be transmitted to another device that receives and reconverts the waves back into sound.
Learn more about Telephones and Cellular Phones