Item Type: RTL SDR Receiver Material: Aluminium alloy, PCB. Applicable: Listen to shortwave single side band communication, FM radio, calls, aviation band, meteor monitoring ADS B decoding radar, AIS signal reception, etc. 1¡¢Reliable Work: Adopting RTL2832U and R820T2 main chips, the SDR receiver has stable working performance in radio reception. 2¡¢Wide Coverage: Designed to have 25?1760MHz receiving frequency, can crack analogue sub tones, digital sub tones and so on. 3¡¢Practical Use: Can be used for FM radio, aviation band, meteor monitoring ADS B decoding radar, AIS signal reception, etc. 4¡¢Simpler Works: You can set automatic search and scan as well as using this receiver to crack and demodulate voice signal. 5¡¢Easy Carrying: Comes with a light weight and a compact size, the convenient carrying will largely simplify the outdoor use.1 x RTL SDR ReceiverPay attention to the correct operation.