Usage Tips:Use RTL2832U+R820T2 Chipset. 100khz To 1766Mhz, Operating Frequency Covers All Hf Amateur Bands; 1 Ppm Temperature Compensated Oscillator (Tcxo) Covers VHF And UHF Frequency Bands Of 24-1766mhz; Receiving Mode: Am, Nfm, Fm, Dsb, Usb, LSB, CW High-Frequency Short-Wave Q Branch Direct Sampling; 8-Bit Adc Provides - 50DB Dynamic Range; Input Impedance 50 Ohms Independent Antenna Input Is Shortwave And Vhf; Usb Computer Connection (Mini Usb) Is Powered By Ordinary USB Name:Shortwave Radio Receiver Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 * Shortwave Radio Receiver 2 * Antenna 1 * Base (With Extension Cord) 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.