The NI (National Instruments) USRP-2921 is a tunable RF transceiver with a high-performance analog-to-digital and digital-to-analog converter for streaming baseband I/Q signals to a host PC over 1 Gigabit ethernet. The USRP-2921 can also be used for the following communications applications: devices operating in the license-free ISM band at 2.45 GHz or 5.8 GHz, public security, subscriber-network interfaces, and Japanese wireless networks.