This is an RTL-SDR blog V3 software defined radio receiver with RTL2832U ADC chip, R820T2 tuner, 1PPM TCXO, SMA F connector and aluminium case with passive cooling. Tunes from 500 kHz to 1.7 GHz with up to 3.2 MHz (2.4 MHz stable) of bandwidth. (HF works in direct sampling mode with reduced performance). Perfect for use as a computer based radio scanner with free software like SDR#, HDSDR, SDR-Radio, GQRX or SDR Touch on Android. Works on Windows, OSX, Linux, Android and computers like the Raspberry Pi. <br><br> Great for many applications including general radio, air traffic control, public safety, ADS-B aircraft radar, ACARS, trunked radio, P25/MotoTRBO digital voice, POCSAG, weather balloons, APRS, NOAA APT/Meteor M2 weather satellites, radio astronomy, DAB, classroom learning, or as a low cost panadapter with a ham radio.<br><br> This model has several improvements over other brands. It uses the improved R820T2 tuner, a 1PPM TCXO, better components, a redesigned lower noise PCB, cooling improvements, extra ESD protection and an SMA F connector. It also has a software activatable bias-tee for powering LNA's and active antennas. <br><br> This is a bundle which includes the main dongle and also our multipurpose dipole antenna kit. The antenna kit is great for beginners as it allows for terrestrial and satellite reception. Easy to mount outdoors and designed for portable and temporary outside usage. Please do not use outside during poor weather conditions. <br><br> <b>For enabling HF reception below 24 MHz please see the V3 features guide and please feel free to contact us via Amazon messaging for technical support - we're happy to help.</b>