This is a peripheral capable of transmission or reception of radio signals from 1 MHz to 6GHz. Designed to enable test and development of modern and NextGeneration radio technologies, this is an open source hardware platform that can be used as a USB peripheral or programmed for StandAlone operation. Parameters Frequency: 1Mhz-6Ghz Bandwidth: 20Mhz Accuracy: 8bitADC/ Rate: 20Mbps Maximum transmit power: 10dBm Maximum receive power: -5dBm (Note: Exceeding this value burn the board) 64QAM transmit : 1.5% Complex sampling bandwidth: 20Mhz with circuit protection MAX2837 chip. USB: 2.0 Item weight: 96g / 3.4ounce Colour:Black Material:Acrylic+ABS Package Contents: 1 set of Software Radio Development Board (Accessories are sent randomly, don't accept the specified and have no impact on usage) 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.