This is an RTL-SDR receiver with RTL2832U ADC chip, 1PPM TCXO, SMA F connector, R820T2 tuner and case with passive cooling.<br>Tunes from 500 kHz to 1.7 GHz with up to 3.2 MHz (2.4 MHz stable) of instantaneous bandwidth.<br>(HF mode works in direct sampling mode).<br>Perfect for use as a computer based radio scanner with free software like SDR#, HDSDR, SDR-Radio, Linrad, GQRX or SDR Press on Android. Works on Windows, OSX, Linux, Android and embedded Linux computers like the .<br>Great for many applications including general radio scanning, traffic control, public safety radio,ADS-B aircraft radar, AIS boat radar, ACARS, trunked radio, P25/MotoTRBO digital voice, POCSAG, weather balloons, APRS, NOAA APT weather satellites, Meteor M2 satellites, radio astronomy, meteor scatter monitoring, DAB, or for use as a low cost panadapter with a traditional ham radio.<br>This model has several improvements over other . It uses the improved R820T2 tuner, comes with<br>a 1PPM TCXO (no drift and accurate tuning with a 2 PPM initial offset and 1 PPM temperature drift), improved component tolerances, redesigned lower noise PCB, cooling improvements, extra ESD protection and an SMA F connector.<br>It also comes with a software activatable bias-tee circuit for powering external devices such as LNA's and active antennas.<br>Quantity:1Pc<br>colour:Silver<br>Material:metal<br>size:8.8x2.3x1.5cm<br>Package Contents:<br>1*<br>Only the above package content, other products are not included.<br>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.