Feature:1. Smart in Design: With SMA female antenna interface and 4.5V DC bias, this SDR receiver also supports high frequency direct sampling mode.2. Wider Frequency: Designed to have a wide frequency range of 500 kHz to 1.7 GHz with bandwidths up to 3.2 MHz, meeting your varied needs.3. Extensive Using: Can be wide applied to general radio scanning, traffic control, public safety, trunked radio, weather balloons and so on.4. Perfect Fitting: Suitable for use as a computer based radio scanner, which has wide compatibility with a lot of software, very useful.5. Simple Carrying: This RTL SDR radio receiver has a light weight and a compact size as well, very convenient to carry for outdoor works.Specification:Item Type: Radio ReceiverModel: RTL SDRMaterial: Aluminium AlloyApplication: For general radio scanning, air traffic control, public safety, ADS-B aircraft radar, ACARS, trunked radio, for p25 mototrbo digital voice, POCSAG, weather balloons, APRS, for NOAA APT METEOR M2 weather satellites, radio astronomy, DAB or as a low cost panadapter with ham radio. Frequency Range: 500KHz 1766MHzSampling Rate: Maximum 3.2Msps, stable value 2.56Msps. AD Sampling Bits: 8 bit.Package List:1 xRadio Receiver