Surveillance equipment includes a wide range of devices that observe
and record people's activities and behavior. Covert listening
devices, miniature cameras, telephone tapping devices, and closed circuit
television cameras (CCTV) as well as reconnaissance aircraft and
satellites may all be classified as surveillance equipment.
Reconnaissance and surveillance technology has grown by leaps and bounds
in the past decade and continues to do so on both a global and local
level, as increased awareness of security needs continues.
Many imaging systems include the option for night vision, i.e. FLIR
(forward looking infra-red) systems often used on police helicopters
and goggles often used by SWAT teams and the military.
Video cameras continue to miniaturize, offering new and increasingly
varied applications. Radio or satellite transmittal of images
has opened up new avenues in unmanned surveillance aircraft and is of
great importance to military reconnaissance. Simpler
surveillance systems often used in businesses and homes have benefited
greatly from these advances. These systems may be simple or quite
sophisticated, often utilizing multiple cameras feeding to a single
monitor. Improved resolution, clarity, color, and ability
to work in dark conditions have increased the usefulness of this type
of equipment. These systems are often remarkably affordable and
should be strongly considered for business and other security-sensitive
A Ceiling-Mounted Surveillance Camera Rotates on a Vertical Axis
Of course, there are many factors to consider when purchasing surveillance
equipment. There are all kinds of specialized products out there,
and trying to figure out the best setup for your needs can be baffling
at best! Government locations as well as businesses and locations
that are dealing with top-secret or sensitive materials most often need
a combination of cameras, telephone tapping devices, and sometimes even
reconnaissance aircraft and satellites. But most homeowners and
businesses require less complicated systems. The main component
of a typical surveillance system is the time-lapse VCR. As soon
as you plug your wireless receiver into your VCR, you can begin to record
footage. If you add motion sensors, you will have the option of
recording only when motion is detected.
While a time-lapse VCR is standard in most surveillance situations, a
digital video recorder is a newer option, especially if you have a
multiplexer or IP ready equipment, and need high resolution images.
Other types of surveillance equipment include radar systems, vehicle
tracking devices, and bug detectors. A radar system uses radio waves
to detect the presence of objects in the atmosphere. A vehicle
tracker enables you to monitor a vehicle's location and movements.
A bug detector allows you to detect wireless signals; in other words, it
can tell you if someone has placed surveillance on you.
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This series of articles discusses topics such as video surveillance systems, camera installation,
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