The National Instruments 783148-01, also known as the USRP-2943R, is a versatile Software Defined Radio (SDR) device designed for comprehensive transmission and reception across a wide range of radio frequency applications. This device features dual transmitter and receiver channels, accommodating frequencies from 1.2 GHz to 6 GHz. The configurable output power for the transmitter ranges from 50 mW to 100 mW for frequencies between 1.2 GHz and 3.5 GHz, and from 5 mW to 32 mW for frequencies up to 6 GHz, with frequency step adjustments of less than 1 kHz. The gain control for transmission is precisely adjustable in 0.5 dB increments, offering a total range of 0 dB to 31.5 dB to ensure accurate signal strength management.

The 783148-01 employs a 16-bit digital-to-analog converter (DAC) that delivers high-quality signals with an outstanding spurious-free dynamic range (sFDR) of 80 dB. For receiving purposes, it provides two channels that mirror the frequency range of the transmitter. The receiver is capable of a gain range from 0 dB to 37.5 dB, similarly adjustable in 0.5 dB increments, and maintains a noise figure between 5 dB and 7 dB, with an impressive sFDR of 88 dB achieved by its 14-bit analog-to-digital converter (ADC). The maximum real-time bandwidth for this SDR is configurable up to either 40 MHz or 120 MHz with an I/Q sample rate reaching 200 MS/s.

Powering the device typically requires a DC input between 9 V to 16 V, consuming between 38 W and 44 W. The onboard memory is equipped with 1,024 MB of DRAM, facilitating ample space for signal processing and data storage during real-time operations. The compact form factor of the device measures 26.67 cm × 4.06 cm × 21.84 cm (10.5 in. × 1.6 in. × 8.6 in.) and weighs 1.588 kg (3.50 lb). It operates optimally within a temperature range of 23 °C ± 5 °C and accommodates relative humidity levels from 10% to 90%. Furthermore, the 783148-01 complies with EN 61326-1 and other significant standards for electromagnetic compatibility, while also meeting various safety regulations, including IEC 61010-1 and UL 61010-1, ensuring reliable performance in industrial applications.