This is a software-defined radio receiver (SDR) featuring an RTL2832 chip, 0.5 TCXO (optional customization available), and MCX connector, with a frequency range of 25 MHz to 1760 MHz. It is well-suited for use as a radio scanner with compatible free computer software such as SDR#, HDSDR, SDR-Radio, Linrad, GQRX, or SDR Touch on Android. Compatible with Windows, MacOS, Linux, Android, and embedded Linux systems, this device supports various applications including general wireless scanning, air traffic control monitoring, radio security, ADS-B aircraft tracking, ship radar signals, ACARS, relay radio, P25/MOTOTRBO digital voice, POCSAG, weather balloon telemetry, APRS, weather satellites, M2 meteor satellite reception, radio astronomy, meteor scatter observation, and DAB broadcasting. It can also serve as a low-cost platform for amateur radio enthusiasts. This model incorporates an improved tuner design with enhanced component tolerances and a stable 0.5 ppm TCXO oscillator (optional), ensuring minimal frequency drift and high accuracy across temperature variations. The MCX antenna connector provides reliable connectivity with low insertion loss and increased durability. A USB 2.0 port is required for operation, though it is generally compatible with most USB 3.0 ports. Please note that compatibility cannot be guaranteed on all USB 3.0 ports; ensure your computer has a USB 2.0 port if needed. Installation on Windows is straightforward—refer to the official SDR# quick start guide online for setup instructions. Fully assembled and ready to use Compact size Frequency range: 25 MHz to 1760 MHz Covers VHF and UHF bands Supports AM, NFM, FM, USB, LSB, and CW reception modes MCX gold-plated antenna connector for improved performance Housing material: ABS Color: Blue Package Includes: 1 x Receiver Kit Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting conditions and display settings may cause slight variations in the color shown in images compared to the actual product. Measurement tolerance allowed is +/- 1-3 cm.