Antenna Tuners (ATU)

A range of antenna tuning units for various Amateur bands.

For CB antenna tuners (matchers) see the "Matchers" Department.

Comet CAT-300 300W Antenna Tuner

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The CAT-300 is a quality 300 Watt antenna tuner which boasts 2x antenna inputs, a very useful frequency range of 1.8 - 60Mhz, smart illuminated cross needle display, and even PEP/Average power reading.

  • Comet CAT 300 300W Antenna Tuning Unit
  • Freq: 1.8 - 60 MHz
  • Power: 300W (SSB)
  • Antennas: 2 co-ax inputs
  • Impedance: 10 - 600 Ohm
  • Input Connector: SO239
  • Meter: SWR/Power
  • 30W/300W Average/PEP
  • Cross needle illuminated display panel
  • Size: 250 x 93 x 200 mm
  • Weight: 2.7kg

MFJ-971

MJ971
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MFJ-971  QRP Portable ATU

A compact ATU ideal for QRP mobile use.

The cross needle meter indicates forward & reflected power and swr simultaneously.

Can be used with both balanced and unbalanced antennas.

The meter can be illuminated by an external 12V supply.

MFJ-941

MJ941
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MFJ-941E  Versa Tuner II

A low cost compact base station ATU. 

The cross needle meter indicates forward & reflected power and swr simultaneously.

Can be used with both balanced and unbalanced antennas.

The meter can be illuminated by an external 12V supply.

MFJ-945

MJ945
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MFJ-945E  Mobile ATU for HF + 6m

A compact ATU designed for mobile use but can also be used with a base station. This model extends to include the 6m band.

The cross needle meter indicates forward & reflected power and swr simultaneously.

Only for use with coax fed antennas.

The meter can be illuminated by an external 12V supply.

MFJ-948

MJ948
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MFJ-948  Versa Tuner II

Our most popular base station ATU. 

The cross needle meter indicates forward & reflected power and swr simultaneously.

Can be used with wire, coax & balanced lines.

The meter can be illuminated by an external 12V supply.

MFJ-949

MJ949
SOLD OUT

MFJ-949  Versa Tuner II

Same specs as the popular MFJ 948 but with the addition of a built-in dummy load.

The cross needle meter indicates forward & reflected power and swr simultaneously.

Can be used with wire, coax & balanced lines.

The meter can be illuminated by an external 12V supply.

SOLD OUT

MFJ-991 Intellituner Auto ATU

A new automatic ATU suitable for use with any HF radio.

Automatically tunes any balanced or unbalanced antenna.

New 10,000+ memories for superfast tuning.

Basically the same as the MFJ-993 but without the digital display & only 2 antenna inputs rather than 3.

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MFJ-993B Intellituner Auto ATU

A new automatic ATU suitable for use with any HF radio.

Automatically tunes any balanced or unbalanced antenna.

Analogue and digital readings of swr and power.

MFJ-921

MJ921
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MFJ-921  VHF ATU (2m)

A compact antenna tuner for 144-220MHz.

Note: this is for VHF only and not HF