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This document lists specifications for the NI USRP-2940R (NI 2940R) universal software radio peripheral (USRP).

When not otherwise specified, the specifications in this document refer to both the NI 2940R 40 MHz device and the NI 2940R 120 MHz device.

All characteristics described in this document are based on the manufacturing design. This equipment information is only for product description and is not covered by warranty. The NI 2940R is not a calibrated device.

Typical values describe useful product performance that are not covered by warranty. Typical values may not be verified on all units shipped from the factory. Unless otherwise noted, typical values cover the expected performance of units over ambient temperature ranges of 23 °C ± 5 °C with a 90% confidence level, based on measurements taken during development or production.


All numeric characteristics are typical unless otherwise noted.

Specifications are subject to change without notice. For the most recent NI 2940R specifications, visit ni.com/manuals.

To access NI 2940R documentation, navigate to Start»All Programs»National Instruments»NI-USRP»Documentation.


Do not operate the NI 2940R in a manner not specified in this document. Product misuse can result in a hazard. You can compromise the safety protection built into the product if the product is damaged in any way. If the product is damaged, return it to National Instruments for repair.