This is a software-defined radio receiver (SDR) featuring an RTL2832 chip, 0.5 TCXO (optional customization), and MCX connector, with a frequency range of 25 MHz to 1760 MHz. It is ideal for use as a radio scanner with 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, ACARS, relay radio, P25/MOTOTRBO digital voice, POCSAG, weather balloon tracking, APRS, weather satellites, M2 meteor satellite reception, radio astronomy, meteor scatter observation, DAB, and as a low-cost platform for amateur radio use. This model features an improved tuner design with 0.5 TCXO (optional), providing stable performance with no frequency drift, high initial offset accuracy, and tight temperature deviation tolerance. Enhanced component tolerances and MCX connectors further improve reliability and signal integrity. A USB 2.0 port is required, though it can work with most USB 3.0 ports (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 's free SDR# quick start guide for setup instructions. Fully assembled and ready to use Compact size Operating frequency range: 25 MHz to 1760 MHz Covers VHF and UHF bands from 25 MHz to 1760 MHz Supports AM, NFM, FM, USB, LSB, and CW reception modes MCX antenna connector with gold plating for durability and low insertion loss Material: ABS Color: Blue Package Contents: 1 x Receiver Kit Note: Light reflection and differences in display settings may cause slight variations in the color shown. Measurement tolerance allowed is +/- 1-3 cm.