Fully assembled and ready for use. Uses RTL2832U + R820T2 chipset. The R820T2 tuner has a slightly better sensitivity than the R820T and works better even at frequencies around 1.5 GHz. 100% compatible with the older R820T software. 100KHz to 1766MHz operating frequency. 1 PPM temperature compensated oscillator (TCXO). Precise tuning and near-zero temperature drift. Covers all HF amateur bands. Covers VHF and UHF bands from 24-1766MHz. Up to 3.2 M sampling rate. (~ 2.8 MHz stable). Receiver modes AM, NFM, FM, , USB, LSB and CW. HF short-wave Q-branch direct sampling. Supported win 7, win 10 system.(not compatible with IOS system) Please kindly note that it is not compatible with IOS system Colour:As Shown Material:Metal Package Contents: 1 x Xr-105 -Sdr Usb Wireless Receiver kit 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.