This is a software-defined radio receiver (SDR) featuring an RTL2832 chip, 0.5 PPM TCXO (optional customization available), and MCX connector, with a frequency range of 25 MHz to 1760 MHz. It is suitable 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. Ideal for applications including general wireless scanning, air traffic control, radio security, ADS-B reception, ACARS, relay radio, P25/MOTOTRBO digital voice, POCSAG, weather balloon tracking, APRS, weather satellites, meteor satellites, radio astronomy, meteor scatter monitoring, DAB, and amateur radio experimentation. This model features an improved tuner design with a 0.5 PPM TCXO (optional), providing stable performance with minimal frequency drift, high initial accuracy, and low temperature deviation. Enhanced component tolerances and MCX connectors contribute to reliable signal integrity. A USB 2.0 port is required and most USB 3.0 ports are compatible (note that compatibility cannot be guaranteed on all USB 3.0 ports; ensure your system has a USB 2.0 port if needed). Windows installation is straightforward. Refer to 's free SDR quick start guide for setup instructions. The unit is fully assembled and ready to use. Compact size Frequency range: 25 MHz to 1760 MHz (VHF and UHF bands) Reception modes: AM, NFM, FM, USB, LSB, CW Gold-plated MCX antenna connector for durability and low insertion loss Material: ABS Color: Blue Package Contents: 1 x Receiver Kit Note: Light reflection and display settings may cause slight variations in color representation. Measurement tolerance is +/- 1-3 cm.