Download scientific diagram | An off-the-shelf RTL-SDR unit. from publication: Low Cost AoA Unit for IoT Applications | In this paper, we present a low cost Angle of Arrival (AoA) estimation unit that can be used as an Internet of Things (IoT) receiver and provides AoA estimations of the received signals. This AoA unit built based on converting multiple individual low cost Software Defined | AoA, Internet of Things and Multiplication | ResearchGate, the professional network for scientists.
I might get a lot of grief for this post, but it is what it is (SDS 100 -vs- cheapo RTL-SDR)
downconverter
FPGA
RTL-SDR: Seven Years Later
RTL-SDR Blog V3 Units and Antennas Back in Stock at (Local US Stock)
Electronics, Free Full-Text
The Hobbyist's Guide to the RTL-SDR: Really Cheap Software Defined Radio: 9781514716694: Laufer, Mr. Carl: Books
The Hobbyist's Guide to the RTL-SDR: Really Cheap Software Defined Radio
Review: Airspy vs. SDRplay RSP vs. HackRF
The Casefor the RTL-SDR V3/4 dongle
Electronics, Free Full-Text
SBITX: Hackable HF SDR For The Raspberry Pi
Includes 1x RTL-SDR Blog brand R860 RTL2832U 1PPM TCXO HF Bias Tee SMA Dongle (V3) (Dongle Only) Several improvements over other brands including use
V3 R860 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only) (Black)
CaribouLite Crowd Funding Launched: A $119 30-6000 MHz 13-bit 2.5 MHz Bandwidth TX/RX SDR Hat for the Raspberry Pi
An off-the-shelf RTL-SDR unit.