Features: adopt , i1001+, i2500 scheme, RSP1 circuit and USB interface. RSPI software defines the radio receiver. According to the original version, the complete schematic is basically optimized and designed. The design uses reasonable materials and pays attention to performance assurance. The effective frequency range is from 10KHz to 2GHz, the basic parameter receiver is 10KHz-2GHz, : 12bit resolution, real-time broadband, 10MHZ, (processing 10MHZ degree signal at the same time). Widely used, suitable for AM/FM/nFM, (narrowband FM is used for mode ) WC-line telegraph/digital word system word, broadcast/STVi frequency/and other radio applications Compatible with four platforms: applicable to , Linux, MACOS and Android. Supporting software: SDRunO HDSDR.SDR,COnSOI,GNUradio. , TOUCH. Specifications Frequency range: 10kHz-1GHz Socket: USB 2.0 Size: 68x28x15mm (excluding connector) Material: colour: silvery Package Contents: 1 x 1 x Antenna 1 x Base 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.