Third, unless you are serious about QRP, you would need an intermediate amplifier (and filters) that would amplify the rigs output into a range that a proper amplifier would be able to utilize it.
My understanding, however, is that the designer never envisioned this to be an on the air transceiver, but rather as a tool that could act as a general receiver, and also transmit very low power signals for the purpose of testing and experimenting.like on a bench.
Share Report Save level 2 WU2F Orlando, FL 4 years ago As far as I know, the FCC has not given Part ANYTHING clearance for the HackRF to be used as a transceiver.
Its important to know, though, that there is no Part 97 type acceptance.
As long as the radio operates in accordance with Part 97 regs, ie: spurious emissions requirements, its legal for licensed amateur use.
Share Report Save Continue this thread level 1 Indiana, US G 4 years ago Dont use the HackRF as a general-purpose radio.
The HackRF is a piece of testing equipment that is pushing the poor SDR chip in it to within an inch of its life.
The HackRF is great for reception, or for testingexperimentation in VHFUHF1-3GHz, but do not try and use it as a general radio, or try and use it on HF.
Twinkle brothers mp3 downloadShare Report Save level 2 4 years ago It works fine on HF, or as well as it does on VHF.
No, its not a general purpose receiver, but to say dont use on HF is just wrong.
Share Report Save level 1 4 years ago From the designer himself: If you connect an external amplifier, you should also use an external bandpass filter for your operating frequency.
HackRF One has not been tested for compliance with regulations governing transmission of radio signals.
Designing an ampfilter and testing for spurious emissions is not trivial(even Baofeng failed that task).
So lets back up a step, what are you trying to accomplish uadamsogm Maybe there is a different transceiver you could use.
Share Report Save level 2 US General Original Poster 4 years ago I was just trying to find a cheap radio that could cover a wide range of frequencies but most radios seem to be just as much or more and cover a fraction of the bands.
Share Report Save Continue this thread level 1 4 years ago Commercially available RF amps are currently limited by FCC regulations to a max of 15 dB of gain, although the ARRL is currently asking to get this old restriction removed.
The HackRF transmit power is limited to 15 dBm, so it would have to be amplified by an additional 15 dB in order to get to 1 watt, and another 15 dB to get from one watt up to 32 watts.
Share Report Save level 2 FN02 FN13 General 4 years ago My point was that even if you use two different amplifiers and get the power up, there is still the issue of conformity with Part 97 specifications.and because this device was not engineered as an over-the-air transceiver, it is likely not anywhere close to having the spectral purity to be legal by itself.much less with two additional amplifiers.
Bottom line is the HackRF is not engineered for what the OP wants to use it to do - it simply isnt - and adding additional amplification is not going to make it Part 97 compliant.
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