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What's the RTL SDR

What's the RTL SDR

RTL SDR was originally used to receive TV signals, so it is also called a TV stick. But the RTL SDR mentioned in the amateur radio field is a low-cost radio receiver, also called RTL2832U, DVB-T SDR, DVB-T dongle. RTLSDR is an innovative invention of the DVB-T USB receiver, the complete software-defined radio.

The RTL SDR TV stick is a DVB-T TV tuner based on the RTL2832U chipset, and then realizes the purpose of broadband software-defined radio through a computer software program. Different models can achieve reception in different frequency bands from 500 kHz to 1.75 GHz. Most RTL-SDR software is developed by hobbyists or hobbyist groups and is free for everyone to use. Commonly used RTL SDR software includes SDR#, HDSDR, RTL SDR Installer, etc.

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