Skip to main content

Jargon Buster

A     B     C     D     E     F     G     H     I     J     K     L     M     N     O     P     Q     R     S     T     U     V     W     X     Y     Z

Amplifier TV or Radio Signal amplifier/booster    
Antenna Term for an aerial used in European/U.S.   Jargon Buster
Attenuator Reduces Signal Strength  
Booster TV or Radio Signal amplifier/booster  
CAI Confederation of Aerial Industries - represents manufacturers, installers & other interested parties.  
CATV Community Aerial TV - covering a set neighbourhood/Town/City/County  
Chimney Lashing Kit Used to secure an aerial to a chimney  
Coax Coupler Used to join together 2  
Coax Plugs Coax plug Terminates coaxial cable for insertion to TV etc via a coax plug  
Coaxial Cable Aerial lead to appliance  
Cob Coaxial (aerial lead) outlet box, surface mounted within the room    
Combiner Combines two or more aerial leads into one single aerial (coaxial) lead  
DAB Digital audio broadcast  
DAB Aerial Enhances DAB reception
DAB Radio Stereo Digital Radio Offeringa wide range of channels, as an alternative to FM.
Db Decibel - signal measurement
Digital Aerial Aerial/Antenna capable of receiving the new digital signal, providing more channels and enhanced services for the UK
Diplexer Combines two or more aerial leads into one single aerial (coaxial) lead
Dipole This element connects to the aerial downlead, receiving signals from the director and reflector elements.
Director Element Forward of the dipole, these are a series of tuned elements.
Dish Pack The satellite dish or external part of a sky installation
Distribution Amplifier When sending signals to two or more TV’s or Radio, this is the signal booster.
Downlead This is the cable which connects the aerial or dish to TV, radio or set top box
DTT Digital Terrestrial TV
F Connector Terminates coaxial cable for insertion to appliance
F Coupler Enables 2 f connectors to be joined
Fascia Mount Used to mount an aerial to a soffit
FM Stereo analogue radio reception, alternative to DAB, but cannot receive all radio signals
FM Aerial Boosts FM radio reception
Freesat New non subscription digital satellite system from BBC & ITV, featuring over 80 digital channels and estimated 200 by 2009. Broadcast in HD with no subscription required
Freesat Sky Broadcasting subscription free package
Freeview Digital Terrestrial TV, channels are provided by the UK’s mainstream broadcasters
Ghosting Repeat image(s) on analogue TV sets, caused by a reflected signal
Grid Aerial A TV aerial with 2 or more dipoles and a grid reflector
Grouped Aerial A TV aerial that will receive a segment of UHF (terrestrial TV) channels
High-Gain Aerial Multi-element aerial that utilises 32 elements, or more
IRS Integrated Reception System: A system providing UHF, Sky and radio, wich also enables connection of individual Sky boxes
LCD Liquid Crystal Display: A flat panel TV, alternative to plasma screens.
LNB - Quad This is a dish mounted device, which converts Sky signals to send the reception through to multiple (2 - 4) Sky boxes via the Coaxial (Aerial) cable.
LNB - Quattro This is a dish mounted device, which converts Sky signals to send the reception through to multiple switches
LNB - Solo This is a dish mounted device, which converts Sky signals to send the reception through to a single Sky box via the Coaxial (Aerial) cable.
Loft Mount Internal aerial mounting.
Magic Eye Device which the Sky box can be controlled from another room.
MATV Master Aerial TV: a UHF (terrestrial TV) reception distribution system
Multiplexer - MUX This is where groups of freeview channels are broadcast on a single UHF channel. This is known as a multiplexer
Multi-Switch One Sky dish receives the signal for multiple Sky boxes, usually used in apartment buildings & hotels.
Outlet Plate Mounted to the backbox or Patras, this plate is flush to the mount.
Pixellating Caused by a defective signal which produces a mosaic or frozen image on the screen.
Plasma Flat Panel/Screen TV which is an alternative to LCD (Liquid Crystal Display)
Polarity The UHF signal is transmitted on either horizontal or vertical polarities.
Pre-Amplifier The signal booster is installed directly on the aerial, with a power supply unit which is required.
PSU - Power Supply Unit This converts the mains voltage to 12v, and is used to energise the pre-amplifier via the downlead.
Reflector Element Rear element of an aerial
Set Back Amplifier Sits next to the TV and boosts TV reception signal.
Set Top Box Sits on top of the TV set - usually a Sky box, Freeview box, DVD player or VCR
Sky Digital Sky digital satellite system providing access to hundreds of digital channels and a vast range of pay to view movies, interactive services and radio stations
Sky Freesat Sky digital system providing access to a range of Free To Air channels, no monthly subscription required
Sky HD Sky HD brings a new home viewing experience, providing images in much greater detail and vibrant colours, complete with full recording facilities as Sky+. HD Compatible TV & Subscription required to take full advantage of a Sky HD system
Sky+ Sky digital with recording facilities. Provides the viewer to control what they watch by pausing, rewinding and playing live TV! You can also record and watch 2 channels at the same time
SMATV Satellite Master Aerial TV: Sky/UHF reception distribution system
Splitter Splits signal to two or more TV’s
Tetra Terrestrial Trunked Radio. Used by the Emergency Services.
Tetra Filter Blocks interference from Tetra transmissions
Top-Up TV Pay as you view Digital TV
UHF Terrestrial TV reception
VHF Redundant frequency bands 1, 2 & 3. Part of Band 3 is now used for DAB.
Wall Bracket Secures an LCD or Plasma screen TV to the mounting surface.
Wideband aerial A TV aerial used to receive UHF channels 21-68
Yagi A tv aerial that has a dipole, director and reflector elements