This is a software-defined radio receiver (SDR) featuring the RTL2832 ADC chip, a 0.5 ppm TCXO (customization optional), and an MCX connector, with a frequency range of 25 MHz to 1760 MHz. It is compatible with free computer software such as SDR#, HDSDR, SDR-Radio, Linrad, GQRX, and SDR Touch for Android. It supports Windows, macOS, Linux, Android, and embedded Linux platforms. Applications include general wireless scanning, air traffic control monitoring, ADS-B aircraft tracking, maritime AIS, ACARS, repeater monitoring, P25/MOTOTRBO digital voice, POCSAG, weather balloon tracking, APRS, weather satellite reception, Meteor-M2 satellite reception, radio astronomy, meteor scatter detection, and DAB. This model features an improved ADC design and tuner architecture, enhanced component tolerances, and a stable 0.5 ppm TCXO (optional) with low temperature drift and high initial accuracy. It connects via USB 2.0 and is backward compatible with most USB 3.0 ports (USB 2.0 port recommended for guaranteed compatibility). Windows installation is straightforward; refer to publicly available SDR quick-start guides for setup instructions. Fully assembled and ready to use Compact size Operating frequency range: 25 MHz to 1760 MHz Optimized performance across VHF and UHF bands Supports AM, NFM, FM, USB, LSB, and CW demodulation modes Durable gold-plated MCX antenna connector with low insertion loss Housing material: ABS Color: Blue Package includes: 1 x SDR receiver Note: Color appearance may vary slightly due to screen settings and lighting conditions. Dimensions may vary within ±1–3 cm tolerance.