The tuner turns on automatically after 1.5 seconds after the tuning tone, PSK or CW, AM, FM of the RF carrier has been switched on.
Nominal input power. 1 to 25 watts. (Maximum  50 watts)
The tuner covers the entire amateur frequency range 1-30 MHz. And very quickly produces an agreement.


To enable the setting, it is necessary to apply the RF signal (AM, FM, CW, or two-tone) to the level 1-8w. In a current of one and a half second the automation should work. Do not turn off the RF signal until the tuner finishes setting. If it does not turn on automatically, you can give the RF signal and press the "Manual" button so that the tuner starts tuning.




The supply voltage is 10.5 - 15 volts.

The consumed average current is 150 mA.

The nominal input power is 1-25 watts. (A maximum of 50 watts).

The recommended input power for tuning is no more than 8 watts.

Resistance matching is 15 to 800 ohms.

The maximum SWR which the tuner considers normal is 2.8

The average adjustment time is 2.5 seconds (min 1 max 8 sec)

Number of rewritable memory cells - 48

Power socket - 1,3mm x 3,5mm DC Plug

RF input jack type Input. Output - BNC


Assembling and sending the is performed within 23 days.

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Antennas - Automatic antenna tuner QRPver ATU-100

  • Product Code: atu-100
  • Availability: In Stock
  • $115.00


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Tags: Antennas, Automatic, antenna, tuner, QRPver, ATU-100, Automatic antenna tuner QRPver ATU-100 buy in