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KW-203 USB Power Monitor
KW-203 USB Power Monitor
ATU-450 antenna tuner
ATU-450 antenna tuner

The Yaesu ATU-450 antenna tuner is designed exclusively for the Yaesu FT-450. This automatic tuner mounts inside the bottom of the transceiver. The impedance matching range is 16.5 to 150 ohms (up to 3:1 SWR). Accordingly the ATU-450 should not be expected to match long wire antennas. Please note that the ATU-450 cannot be used with the ATAS-120A. A clicking sound during tuning is normal.


  • Coverage: 1.8 to 30 MHz and 50 to 54 MHz
  • Power rating: 100 watts PEP
  • Matched SWR: 1.5:1 or less
  • Tuning time: 5 seconds or less
  • Input impedance: 50 Ohms
  • Tuning power: 4 to 60 watts
  • Power Supply: 13.8 VDC (derived from the transceiver)
  • Size: 3.1 x 1.5 x 6.1 inches
  • Weight: 1.1 Lbs (500 g)

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This product was added to our catalog on Tuesday 19 June, 2007.
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