. Feature:Made of high-quality material, durable, firm and stable for us to use.It is a radio communication system where components that have been typically implemented in hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system.This radio receiver use RTL2832U + R820T2 programs, taking advantage of the Q channel RTL2832U on adding support for frequencies of 100KHz-24MHz, which support sepctrum 100KHz-1.7GHz.You can use the software receives electromagnetic waves, it can support AM, FM, NFM, WFM, CW, DSB, LSB, USB demodulation. Listen to HF SSB communication, FM radio, walkie-talkie call, aviation bands and the like.You can connect it to PC, mobile phone etc. to receive the radio by software, such as AM,CW,DSB,LSB. USD decoding support. It converte the anolog singals from antenna receiving to digital chips, less signal loss, Noise reduction,make the wave more stalble and clearer.Radio Receiver only, other accessories demo in the picture is not includedSpecificatins:Item Type: Radio ReceiverMaterial: Plastic+MetalSize: 92x50x20mm/3.7x1.9x0.7inColor: BlackQuantity: 1 Set Note:No retail package.Transition: 1cm=10mm=0.39inchPlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x Radio Receiver1 x Antenna1 x Data Cable