The Universal Software Radio Peripheral 2 (USRP2) is a GbE-connected, low-cost and open board. It features two high-speed analog-to-digital and digital-to-analog converters, an FPGA and a microcontroller. It's ideal for capturing or transmitting various signals, usually in combination with GNU Radio. The design schemas are available under a free license. . This package contains the client-side C++ library, providing the low- level (non-GNU Radio) hardware interface. . This package contains header files needed by developers.