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qro.cz

qro.cz

My love for electronic started in my childhood, with a metal nail in a wall socket and the discovery of AC current :) First steps and soldering with soldering iron, old tube radios and first "baby" walkie talkie. The discovery of the CB band and later 11m SSB operation, where it was possible to work DC with the whole world at that time. Thanks to local amateur radio operators I got on the HF, VHF and UHF bands. Thought the local radio club OK2KFK and contest station OL2R, I made my way to OL7M and building a large M/M contest QTH. The need for more complex controls, switching, RX antennas and other equipment led to many products on RemoteQTH.com web. Later, I started making other products in my company under the QRO.cz brand.

Now we are dedicated not only to the production for radio amateurs, but also to custom development and production in the field of RF. The next steps are also towards remote control via the Internet, IoT and other modern technologies.

199.65 € (tax incl.)
This is Easy Controller for 4-to-1 antenna switch. You can control any antenna switch with 4 inputs. Including PTT hot switch protection. You can choose between two versions: classic and remote. Remote version allows...
199.65 € (tax incl.)
This is Easy Controller for 6-to-1 antenna switch. You can control any antenna switch with 6 inputs. Including PTT hot switch protection. You can choose between two versions: classic and remote. Remote version allows...
429.55 € (tax incl.)
This is small four directional RX antenna for lower HF bands. Ideal for portable use as well as for home installation. Antenna has got Band Pass Filters and Preamplifier in the feed point of the loops. It is advantage...
459.80 € (tax incl.)
This is small four directional RX antenna for lower HF bands. Ideal for portable use as well as for home installation. Antenna has got Band Pass Filters and Preamplifier in the feed point of the loops. It is advantage...
53.24 € (tax incl.)
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
286.77 € (tax incl.)
This is Easy Controller for 6-to-2 antenna switch. You can control any antenna switch with 6 inputs. This controller allows you to control antenna switch over the web page.
105.27 € (tax incl.)
This is simply K9AY feeder box with direction switch, variable and fixed Rload and protections. Coaxial output has got common-mode current filter. 
73.81 € (tax incl.)
This K9AY one direction is ideal for SO2R and Multi/Multi. Sharing one direction into more receivers. Also easy to phasing it into the array.
61.71 € (tax incl.)
The RX small preamp is very simply low noise preamplifier module with 2SC5551 transistor based on W7IUV design. Use it as high IP preamplifier for RX antennas, buffer amplifier or small driver.
235.95 € (tax incl.)
This is 2 element beverage antenna array. In this End-Fire array the beverage antennas are very close to each other. Usually 2 to 6 meters. One beverage is shifted to front by the stagger distance. This array needs...
235.95 € (tax incl.)
This is 2 element beverage antenna array. In this End-Fire array the beverage antennas are very close to each other. Usually 2 to 6 meters. One beverage is shifted to front by the stagger distance. This array needs...
199.65 € (tax incl.)
This is Easy Controller for antenna stack match with 2 outputs. You can control any stack match with 4 wires. There are 4 combinations: Top, Bottom, Both In Phase and Both Out Phase. Including PTT hot switch...
332.75 € (tax incl.)
Antenna stack match with two outputs and phase shifter.
199.65 € (tax incl.)
This is Easy Controller for antenna stack match with 3 (2) outputs. You can control any stack match with 4 wires. There are 7 combinations. Including PTT hot switch protection. You can choose between two versions:...
Showing 21-40 of 135 item(s)

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