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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.

2-way small splitter KIT 2-way small splitter KIT 2-way small splitter KIT

2-way small splitter KIT

31.46 € (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.
Bias Tee BOX AC/DC KIT Bias Tee BOX AC/DC KIT Bias Tee BOX AC/DC KIT

Bias Tee BOX AC/DC KIT

43.56 € (tax incl.)
A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.
3-way small splitter in BOX KIT 3-way small splitter in BOX KIT 3-way small splitter in BOX KIT
Bestseller

3-way small splitter in BOX KIT

33.88 € (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.
3-way small splitter KIT 3-way small splitter KIT 3-way small splitter KIT

3-way small splitter KIT

27.83 € (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.
RX small preamp with 2SC5551 in BOX KIT RX small preamp with 2SC5551 in BOX KIT RX small preamp with 2SC5551 in BOX KIT

RX small preamp with 2SC5551 in BOX KIT

49.61 € (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.
RX small preamp with 2SC5551 KIT RX small preamp with 2SC5551 KIT RX small preamp with 2SC5551 KIT
Bestseller

RX small preamp with 2SC5551 KIT

42.35 € (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.
PCB for Bias Tee BOX AC/DC PCB for Bias Tee BOX AC/DC PCB for Bias Tee BOX AC/DC

PCB for Bias Tee BOX AC/DC

16.94 € (tax incl.)
A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.
PCB for Bias Tee BOX DC PCB for Bias Tee BOX DC PCB for Bias Tee BOX DC

PCB for Bias Tee BOX DC

16.94 € (tax incl.)
A bias tee is used to insert DC power into an HF signal to power remote antenna amplifiers or other devices.
PCB for 2-way small splitter PCB for 2-way small splitter PCB for 2-way small splitter

PCB for 2-way small splitter

16.94 € (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.
PCB for 2-way splitter box PCB for 2-way splitter box PCB for 2-way splitter box

PCB for 2-way splitter box

16.94 € (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.
PCB for 2-way small splitter with bypass PCB for 2-way small splitter with bypass PCB for 2-way small splitter with bypass

PCB for 2-way small splitter with bypass

16.94 € (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.
PCB for 3-way small splitter PCB for 3-way small splitter PCB for 3-way small splitter
Bestseller

PCB for 3-way small splitter

16.94 € (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.
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