This is a versatile RTL-SDR (Software Defined Radio) receiver based on the RTL2832U chipset and R828D tuner. It features a high-stability 0.5 PPM Temperature Compensated Crystal Oscillator (TCXO) for precise frequency control and an MCX antenna connector. The device offers a wide working frequency range from approximately 25MHz to 1760MHz, providing improved sensitivity and signal-to-noise ratio for clear reception. It is compatible with a wide range of systems including Windows, macOS, Linux, Android, and embedded platforms like the Raspberry Pi. Operation requires a USB 2.0 port (some USB 3.0 ports may also be compatible). The package includes a 90cm (35.43 inch) telescopic antenna with a durable MCX connector for immediate use. Perfect for radio enthusiasts, hobbyists, and developers interested in exploring a wide spectrum of radio signals, from AM/FM and aviation bands to satellite communications and more. The unit is new and constructed from plastic and metal components.