The HackRF One hardware design is actually full-duplex (at lower sample rates) from the USB connection through the ADC/DAC.

Well, so far initial results on HF are fine, need to do more monitoring on VHF/UHF to determine how well it works. It’s a great build that demonstrates the wide appeal of software-defined radio, and if you want to get started it’s pretty easy to grab a much cheaper dongle and use it for all kinds of applications like this.They nominally provide around 11 dB of gain when on, but the actual amount of gain varies by frequency. The main objective was to determine whether those communications were properly secured with encryption and other important security measures when it comes to devices that communicate using radio frequencies such as protection against jamming, GPS spoofing or replay attacks. In the meantime, take a look at some more traditional long-range communications using this protocol with more manageable-sized antennas.

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By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. If you were to try to redesign the RF section on HackRF One to support full-duplex, the main thing to focus on would be the MAX2837 (intermediate frequency transceiver).