Access control and security equipment is used to monitor and restrict access to equipment, parts of buildings, or entire facilities. Communications equipment transmits data in electronic form using either cabling or radio signals.

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Access Control Systems (948 suppliers)

Access control systems are used to identify people before granting access to secure facilities.
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Annunciators (175 suppliers)

Annunciators and graphic display panels disclose the layout and annunciate the status and measurement parameters of industrial processes, security and fire alarms of buildings and manufacturing facilities, power distribution networks, and other operations.
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Audible Alarms (427 suppliers)

Audible alarms provide an audible indication of a hazardous situation.
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Audio transducers and buzzers are used in electronic equipment, toys and various warning devices as the sounding component.
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Automated voice answering systems are used to take messages and to provide automated information retrieval requests.
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Bollards (208 suppliers)

Bollards are structures used to protect buildings from vehicular impact, restrict access or serve as landscape enhancement.
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Cameras (2,382 suppliers)

Cameras are used to monitor and record building interiors and surrounding for security and daily operations.

Closed circuit television systems (CCTV) are used for area surveillance and remote monitoring. Some systems can record events and trigger alarms.
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Digital Audio Systems (146 suppliers)

Digital audio systems electronically record and store audio signals such as voice, music, alarm, and security messaging for broadcast, editing, monitoring, and playback.
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Digital video recorders record and store video camera output in digital form on disk.
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Door Operators (176 suppliers)

Door operators are devices used to open and close all types of doors or gates. These operators can be powered by a variety of power sources such as electric, hydraulic or pneumatic devices.
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Entry Gates (295 suppliers)

Entry gates are hinged partitions that allow access to designated areas.
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Guardrails and railings are used as fall protection systems or to establish controlled access zones.
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Intercoms (236 suppliers)

Intercoms are an electronic communications system generally composed of fixed microphone/speaker units connected to a central control device.
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Perimeter Guards (60 suppliers)

Perimeter guards are guardrails and security fences as well as safety devices that produce sound waves when a given perimeter is breached.
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Radios (374 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.
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Safes (80 suppliers)

Safes are used to store and protect valuables from tampering, theft, and/or fire. They are usually made of metal and shaped like a cube or cylinder with a removable or hinged face that forms a door.
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Security Systems (485 suppliers)

Surveillance systems are used to monitor commercial properties and industrial facilities for the presence of trespassers and the behavior of authorized visitors.
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Speakers (661 suppliers)

Speakers produce and transmit sounds carried by electrical or radio signals.  This product category is primarily for industrial and OEM speakers rather than those for home use.
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Telephone components and telephone accessories are used in telephone systems.
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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.
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Traffic safety equipment provides visible and physical barriers or high visibility guidance systems to help control traffic flow.
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Video Displays (302 suppliers)

Video monitors display video images from cameras and recorders, often using cathode ray tube (CRT) technology.
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Warning Lights (274 suppliers)

Warning lights provide a visual indication of a hazardous situation.
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