Professional Radio Wave Receiver (RTL-SDR) with 3D Printed Case For sale: Software Defined Radio (RTL-SDR) digital radio receiver in excellent condition. * Features: * The unit is excellent for hobbyists and enthusiasts of tracking radio signals and receiving the frequency spectrum. * Equipped with a durable protective case designed with 3D printing technology. * Standard antenna port (SMA) and USB port for direct connection to a computer or mobile phone. * Suitable for those interested in receiving radio signals, tracking aircraft (ADS-B), and studying wireless communications. * Condition: Clean and new / in excellent condition.