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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.

Feed Point Preamp BOX Feed Point Preamp BOX Feed Point Preamp BOX
Bestseller

Feed Point Preamp BOX

107.69 € (tax incl.)
89.00 € (without tax)
Unique product that combines universal transformer, preamplifier, simply Low Pass Filter, Bias Tee, front-end protection and common-mode output filter.
2-way splitter box 2-way splitter box 2-way splitter box
Bestseller

2-way splitter box

81.07 € (tax incl.)
67.00 € (without tax)
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
2-way small splitter in BOX 2-way small splitter in BOX 2-way small splitter in BOX
Bestseller

2-way small splitter in BOX

58.08 € (tax incl.)
48.00 € (without tax)
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
Preamp BOX with 2N5109 SMD Preamp BOX with 2N5109 SMD Preamp BOX with 2N5109 SMD
Bestseller

Preamp BOX with 2N5109 SMD

90.75 € (tax incl.)
75.00 € (without tax)
RX preamplifier with variable gain, protections and power over coax.
3-way small splitter in BOX 3-way small splitter in BOX 3-way small splitter in BOX
Bestseller

3-way small splitter in BOX

61.71 € (tax incl.)
51.00 € (without tax)
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
K9AY/4-WAY Antenna Switch Controller MK2 K9AY/4-WAY Antenna Switch Controller MK2 K9AY/4-WAY Antenna Switch Controller MK2
Bestseller

K9AY/4-WAY Antenna Switch Controller MK2

333.96 € (tax incl.)
276.00 € (without tax)
This is an interesting antenna controller with built in BPF, preamp, protections, bias tee, RX/TX antenna switch and much more. It is designed for K9AY (and similar loops) and for the four-way Beverage system....
Preamp module with 2N5109 Preamp module with 2N5109 Preamp module with 2N5109
Bestseller

Preamp module with 2N5109

61.71 € (tax incl.)
51.00 € (without tax)
Small RX preamplifier module with 2N5109, bypass and variable gain.
VHF/UHF/LNB Bias Tee ENC in BOX VHF/UHF/LNB Bias Tee ENC in BOX VHF/UHF/LNB Bias Tee ENC in BOX

VHF/UHF/LNB Bias Tee ENC in BOX

65.34 € (tax incl.)
54.00 € (without tax)
Universal VHF/UHF/LNB Bias Tee ENC in box which is designed for Low Noise Amplifiers, buffer amps, LNB etc.
Single wire beverage CLASSIC Single wire beverage CLASSIC Single wire beverage CLASSIC
Bestseller

Single wire beverage CLASSIC

83.49 € (tax incl.)
69.00 € (without tax)
Beverage antennas provide one of the least expensive and most reliable ways to improve DX capabilities on the low frequencies.
Single wire beverage on ground Single wire beverage on ground Single wire beverage on ground

Single wire beverage on ground

83.49 € (tax incl.)
69.00 € (without tax)
Beverage antennas provide one of the least expensive and most reliable ways to improve DX capabilities on the low frequencies.
2-way active splitter in BOX 2-way active splitter in BOX 2-way active splitter in BOX
Bestseller

2-way active splitter in BOX

99.22 € (tax incl.)
82.00 € (without tax)
This is very useful device - this is active splitter version in enclosure. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Input low noise amplifier can eliminate insertion...
4-to-1 antenna switch 4-to-1 antenna switch 4-to-1 antenna switch

4-to-1 antenna switch

258.94 € (tax incl.)
214.00 € (without tax)
High Power 4-to-1 antenna switch - four outputs to one input.
6-to-1 antenna switch 6-to-1 antenna switch 6-to-1 antenna switch
Bestseller

6-to-1 antenna switch

271.04 € (tax incl.)
224.00 € (without tax)
High Power 6-to-1 antenna switch - six outputs to one input.
2-way small splitter 2-way small splitter 2-way small splitter

2-way small splitter

53.24 € (tax incl.)
44.00 € (without tax)
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
K9AY simply loops switch K9AY simply loops switch K9AY simply loops switch
Bestseller

K9AY simply loops switch

105.27 € (tax incl.)
87.00 € (without tax)
This is simply K9AY feeder box with direction switch, variable and fixed Rload and protections. Coaxial output has got common-mode current filter. 
K9AY one direction K9AY one direction K9AY one direction
Bestseller

K9AY one direction

73.81 € (tax incl.)
61.00 € (without tax)
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.
RX small preamp with 2SC5551 in BOX RX small preamp with 2SC5551 in BOX RX small preamp with 2SC5551 in BOX
Bestseller

RX small preamp with 2SC5551 in BOX

61.71 € (tax incl.)
51.00 € (without tax)
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.
2EL End-Fire beverage antenna array BOG 2EL End-Fire beverage antenna array BOG 2EL End-Fire beverage antenna array BOG

2EL End-Fire beverage antenna array BOG

235.95 € (tax incl.)
195.00 € (without tax)
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...
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