Frequency range: 500KHz - 1766MHzSampling rate: maximum 3.2Msps (2.56Msps stable value)AD sampling bits: 8-bitMain improvements of V3:Less than 1 PPM Temperature Compensated Crystal Oscillator (TCXO)SMA female antenna interface5V DC biasSupports high frequency direct sampling mode (500 kHz - 24 MHz direct sampling)Improvements relative to other For RTL SDRs (R820T2, PCB optimization, etc.)Colour:blackMaterial:Metal+PlasticPackage Contents:1 x For V3 set(some accessories are random style, don't accept the specified)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.