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Variable Gain UHF Masthead Amplifier (4 Way)
€17.85 (ex VAT)
(€21.95 inc VAT)

Variable Gain UHF MastHead Amplifier (4 Way)

Variable Gain UHF MastHead Amplifier Specification

  • Wolsey UHF Variable Gain Masthead Amplifier
  • Gain: 25dB,
  • Signal range: 470-862 MHz
  • DC requirement: 12V
  • Inputs: 1
  • Ouputs: 4
  • Power in: 230 V, 50 Hz, 3W
  • For use: Indoor / Outdoor
  • Connection type: F Connectors
  • Manufacturer: Wolsey
  • Digital Compatible: Yes
  • Analogue Compatible: Yes
  • Singal insertion loss: < 0.5dB
  • Note: always used as a set in conjunction with a Power Unit

Variable Gain UHF Masthead Amplifier Features

This unit is used in conjunction with a Power unit and a UHF TV Aerial to

  • boost TV signal in poor reception areas - which might be caused by:Long distance from the transmitter
  • Interference caused by an obstruction e.g. (hill)
  • A low gain TV Aerial is being used

The  filter screens inputs of  


  • Can achieve a 20dB gain which can transform a hazy picture into a clear picture
  • The fact it is screened means it can boost the signal without dragging in excess interference - from CB, private mobile radio, Tetra etc
  • Reliable robust unit
  • Low cost unit
  • Can be used with power passing splitters to feed a number of rooms
  • Generally more effective than a using a distribution system at improving signal quality
  • Can be used in conjunction with a Power passing splitter to feed TV signal to several televisions


  • Can only handle UHF signal - not VHF
  • Medium gain is not always enough and sometimes you will need to use a high gain unit (which also risks possibility of higher interference) for optium results
  • It a balancing act to select the correct masthead amplifier (if any at all)
  • If used incorrectly or if there is a large amount of background interference, a power unit and a masthead amplifer can actually make matters worse - particularly in a strong reception area

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