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 MiniBanner GLOSSARY 1

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4G

Fourth Generation.  Mobile devices using LTE standards.

Amplifier

A circuit that increases the power of voltage of a signal.  This is also commonly known as a booster.

Antenna

A device which can receive and/or transmit radio frequency signals whose format will depend of the type of signals used.

Benchmark

A certification by an independent authority.

COAX

Coaxial cable, a center conducting wire separated from an outer braid conductor by a dielectric (insulator).  The braid surrounds the dielectric and when connected to ground, prevents (shields) the centre conductor from radiating energy.  The spacing between conductors, composition of the dielectric and sizes of the conductors determine the impedance of the cable.  Coax is used to transfer radio frequency energy from the transmitter to the antenna.

DAB

Digital Audio Broadcast.

Digibox

A generic name for a satellite or terrestrial digital receiver.

DTT

Digital Terrestrial Television often referred to as Freeview comes through your aerial and may require an aerial upgrade.

DVB-S

Digital Video Broadcast - Satellite.

DVB-T

Digital Video Broadcast - Terrestrial.

Earthing

The connection of exposed conductive parts to the main earthing terminal of that installation.

EPG

Electronic Programme Guide - now and next programme information that can be called up on digital television.

HDMI

High Definition Interface.  A small, user friendly interconnect specification that can carry Digital Video and Audio on a single cable.

HDTV

High Definition Television - mode of transmission that provides much higher definition pictures.

IDTV

Integrated Digital Television - a television with a built in digital tuner.

LNB

Low Noise Block up/down-converter.  Used to convert/amplify the signal received via satellite to a useable frequency that the receiving equipment can use.  Most commonly associated with 'domestic' Sky/Hotbird installations.

Masthead

Commonly used to describe an amplifier/splitter of combiner located on the TV antenna mast.

MATV

Master Antenna Television - a signal reception system that feeds terrestrial signals to multiple points via a network.  If in multiple buildings this would be restricted to a local area.

MDU

Multiple-Dwelling Unit e.g. Block of flats, hotels or hospitals.

Receiver

Can mean a TV, radio or set top box for satellite and DVB-T including video, recorders, PVRs, recordable DVDs and computers.

SCART

A 'multi' connector (21 pins) found on most modern TVs, VCRs, Satellite receivers and other entertainment equipment for transmission of audio (sound) and Vido (Picture) signal (AV).

SDU

Single-Dwelling Unit e.g. detached, semi-detached or terraced.  This would also include an individual apartment, flat or maisonette etc.

SMATV

Satellite Master Antenna Television - a community distribution system for signals received via satellite, terrestrial networks or radio.  The number of households connected is usually limited.  SMATV networks are used in some small housing estates and in multi-family buildings.

SSEI

Specialist Safety Electrical Installers.  A person who is competent, as defined in 'The Electricity at Work Regulations', and has the required knowledge and skill to make the safety electrical connection associated with touch current hazards on Class II electrical equipment.

UHF

Ultra High Frequency band used by most UK TV sets and many overseas too.

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