100KHz-1.7GHz full band RTL-SDR receiver, can be connected to computers, Android phones and other devices using SDR software to receive 100KHz-1.7GHz electro netic waves support AM, FM (NFM, WFM), CW, DSB, LSB, USB demodulation. You can listen to medium wave, short wave, FM radio, short wave single sideband communication, intercom call. (New mute detection function: CTCSS, DCS; frequency er, auto-scan, etc.). Product advantages: short- and medium-wave directly to the antenna received signal input to the digital-to-analog converter chip, solving the use of inverters brought about by signal loss, noise, waveform clutter, off-frequency, and other problems, so that the sensitivity is improved, and the waveform display is clear and complete, high resolution, showing the actual frequency Colour:As Shown Material:ABS Package Contents: 1 * Software Radio Rtl2832u Receiver kit Only the above package content, other products are not included. Note: Light reflection 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_