Other option to connect to SDR hardware is through TCP connection: The Osmocom RTLSDR utilities include the program rtl_tcp. Suitable Windows Software for the application is the very nice, fast and open source SDR#. Of course you need suitable software to decode those samples. It has some undocumented commands/registers, by which it can be placed into a mode where it simply forwards the unprocessed raw baseband samples (up to 2.8 MS/s 8-bit I+Q) via high-speed USB into the PC so they can be routed to suitable receiving program.
The RTL2832U is a high-performance DVB-T COFDM demodulator that supports a USB 2.0 interface. Those DVB-T receivers supported by rtl-sdr are based on the Realtek RTL2832U chipset plus a tuner IC like the Elonics E4000 (can tune from 54-2200 MHz with gap at 1100-1250 MHz). Hare is a good picture from that article the gives overview of the hardware.
#Rtl sdr planeplotter how to
RTL-SDR: Inexpensive Software Defined Radio article gives an introduction how to built software radio this way.
At a street price of about 20 Euros/USD they are undoubtedly the most capable low-cost SDR hardware that can be bought. But now there are also inexpensive hardware options for receiving: rtl-sdr is a creative form of using consumer-grade DVB-T USB receivers, turning them into fully-fledged software defined radios. There has been many even free software implementations of SDR (for example Gnu Radio), but to use them you have needed some special hardware that has been quite expensive. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system. Software-defined radio (SDR) is a radio communication system where components that have been typically implemented in hardware (e.g. Software-defined radio (SDR) has been a hot topic for many years. Software defined radio with USB DVB-T stick
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