Item Type: RTL SDR USB Receiver Material: Aluminium Colour: Silver Features: 1. The signal received by the antenna is converted into data through the receiver, sent to the computer, mobile phone and other devices through the USB interface, and then processed by the software on the computer, mobile phone and other devices to demodulate the signal, and display the spectrum, set to receive bandwidth, signal recording, saving, playback and other functions. 2. Through SDR software, receiving electromagnetic waves in the range of 100KHz-1.7GHz supports AM, FM (NFM, WFM), CW, DSB, LSB, USB demodulation. It can be used to listen to short wave single side band communication, FM radio, calls, aviation band, meteor monitoring ADS-B decoding radar, AIS signal reception, etc. 3. The analogue sub tones and digital sub tones can be cracked through the software. 4. You can set automatic search scans. 5. The ID of common digital devices can be cracked and the voice signal can be demodulated by software.