{"id":29762,"date":"2025-09-18T14:15:59","date_gmt":"2025-09-18T06:15:59","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=29762"},"modified":"2026-08-19T14:18:45","modified_gmt":"2026-08-19T06:18:45","slug":"usrp-2940","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/usrp-2940\/","title":{"rendered":"USRP-2940"},"content":{"rendered":"<h3>Product Introduction<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI USRP-2940<\/strong> is a high-performance software defined radio (SDR) platform designed for wireless communications research, RF prototyping, MIMO development, spectrum monitoring, radar experimentation, and advanced signal processing applications.\n<\/p>\n<p>\nFeaturing continuous RF coverage from 50 MHz to 2.2 GHz, two transmit channels, two receive channels, configurable 40 MHz or 120 MHz instantaneous bandwidth versions, high-speed I\/Q streaming, and a user-programmable FPGA architecture, the USRP-2940 provides significantly greater RF and processing capability than earlier single-channel NI USRP platforms.\n<\/p>\n<p>\nThe USRP-2940 is particularly suitable for researchers and engineers who require multi-channel RF operation, wider bandwidth, deterministic FPGA processing, and flexible host connectivity for advanced software-defined radio systems.\n<\/p>\n<h3>Product Overview<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI USRP-2940<\/strong> belongs to the higher-performance NI USRP family and corresponds to an Ettus Research X310 platform configured with WBX RF front ends.\n<\/p>\n<p>\nUnlike earlier USRP-2920 and USRP-2930 platforms that provide one transmit and one receive channel, the USRP-2940 provides two transmit and two receive RF channels. This makes it much better suited for MIMO communication research, multi-antenna systems, beamforming experiments, direction-finding research, and other applications requiring multiple RF channels.\n<\/p>\n<p>\nThe 50 MHz to 2.2 GHz tuning range covers VHF, UHF, cellular, ISM, navigation, telemetry, public-safety, and numerous experimental RF bands. Combined with 40 MHz or 120 MHz bandwidth configurations, the USRP-2940 provides a flexible platform for both narrowband and wideband SDR development.\n<\/p>\n<h3>Key Features<\/h3>\n<h4>50 MHz to 2.2 GHz RF Frequency Range<\/h4>\n<p>\nThe USRP-2940 provides continuous RF tuning from 50 MHz to 2.2 GHz on its transmit and receive channels.\n<\/p>\n<ul>\n<li>50 MHz to 2.2 GHz transmit frequency range<\/li>\n<li>50 MHz to 2.2 GHz receive frequency range<\/li>\n<li>Frequency step below 1 kHz<\/li>\n<li>Software-programmable center frequency<\/li>\n<li>Multi-band RF experimentation<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> The broad tuning range enables a single SDR platform to support research across numerous communication, radar, telemetry, navigation, and experimental RF bands.\n<\/p>\n<h4>2 Transmit and 2 Receive Channels<\/h4>\n<p>\nThe USRP-2940 provides two RF transmit channels and two RF receive channels for multi-channel SDR applications.\n<\/p>\n<ul>\n<li>2 RF transmit channels<\/li>\n<li>2 RF receive channels<\/li>\n<li>2&#215;2 MIMO capability<\/li>\n<li>Multi-antenna experiments<\/li>\n<li>Parallel RF signal acquisition<\/li>\n<li>Parallel RF waveform generation<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Multi-channel RF capability makes the USRP-2940 suitable for MIMO, beamforming, spatial diversity, direction finding, and advanced wireless communication research.\n<\/p>\n<h4>40 MHz and 120 MHz Bandwidth Versions<\/h4>\n<p>\nThe USRP-2940 is available in different bandwidth configurations to support different application requirements.\n<\/p>\n<ul>\n<li>USRP-2940 40 MHz version<\/li>\n<li>USRP-2940 120 MHz version<\/li>\n<li>Wideband RF signal acquisition<\/li>\n<li>Wideband waveform generation<\/li>\n<li>High-throughput SDR applications<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Engineers can select the bandwidth configuration that best matches the required RF signal bandwidth and system performance.\n<\/p>\n<h4>Up to 200 MS\/s I\/Q Sample Rate<\/h4>\n<p>\nThe USRP-2940 supports high-speed I\/Q processing for demanding wireless and RF applications.\n<\/p>\n<ul>\n<li>Maximum I\/Q sample rate up to 200 MS\/s<\/li>\n<li>Complex I\/Q acquisition<\/li>\n<li>Complex I\/Q generation<\/li>\n<li>Wideband signal processing<\/li>\n<li>High-throughput RF experimentation<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> High I\/Q sample rates enable advanced wideband communication, radar, spectrum, and signal-processing applications.\n<\/p>\n<h4>14-Bit Receiver ADC Architecture<\/h4>\n<p>\nThe receiver subsystem incorporates high-speed analog-to-digital conversion for wideband RF signal acquisition.\n<\/p>\n<ul>\n<li>14-bit ADC resolution<\/li>\n<li>High-speed analog-to-digital conversion<\/li>\n<li>Wideband I\/Q acquisition<\/li>\n<li>Digital receiver processing<\/li>\n<li>RF signal characterization<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> The high-speed ADC architecture provides the digital signal representation required for advanced software-defined receiver applications.\n<\/p>\n<h4>16-Bit Transmitter DAC Architecture<\/h4>\n<p>\nThe transmitter subsystem uses high-speed digital-to-analog conversion for programmable RF waveform generation.\n<\/p>\n<ul>\n<li>16-\u0431\u0438\u0442\u043d\u043e\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0426\u0410\u041f<\/li>\n<li>Programmable I\/Q waveform generation<\/li>\n<li>Digital modulation<\/li>\n<li>Custom RF waveform development<\/li>\n<li>Wideband signal generation<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> High-resolution DAC resources support flexible generation of complex digitally modulated RF waveforms.\n<\/p>\n<h4>Programmable Transmit Gain<\/h4>\n<p>\nThe USRP-2940 provides software-controlled RF transmit gain for adapting the generated signal level to different experimental configurations.\n<\/p>\n<ul>\n<li>0 dB to 31 dB transmit gain range<\/li>\n<li>1 dB gain steps<\/li>\n<li>Software-controlled gain adjustment<\/li>\n<li>Custom RF waveform transmission<\/li>\n<li>Laboratory wireless links<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Programmable gain provides flexibility when configuring transmit levels for different RF experiments and test setups.\n<\/p>\n<h4>RF Output Power<\/h4>\n<p>\nThe maximum RF output power of the USRP-2940 varies according to operating frequency.\n<\/p>\n<ul>\n<li>Approximately 17 dBm to 20 dBm from 50 MHz to 1.2 GHz<\/li>\n<li>Approximately 15 dBm to 18 dBm from 1.2 GHz to 2.2 GHz<\/li>\n<li>Software-adjustable RF gain<\/li>\n<li>Dual-channel RF transmission<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Provides useful RF output levels for laboratory wireless communication and controlled over-the-air experiments.\n<\/p>\n<h4>Programmable Receiver Gain<\/h4>\n<p>\nThe receiver channels provide software-adjustable gain for capturing signals across different RF environments.\n<\/p>\n<ul>\n<li>0 dB to 37.5 dB receive gain range<\/li>\n<li>Software-controlled receiver gain<\/li>\n<li>Dual-channel RF acquisition<\/li>\n<li>Wireless signal monitoring<\/li>\n<li>RF signal characterization<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Adjustable receive gain allows engineers to optimize receiver performance according to the signal level and experimental configuration.\n<\/p>\n<h4>2.5 ppm Frequency Accuracy<\/h4>\n<p>\nThe internal reference oscillator provides specified frequency accuracy suitable for many laboratory and wireless research applications.\n<\/p>\n<ul>\n<li>2.5 ppm frequency accuracy<\/li>\n<li>Stable RF tuning<\/li>\n<li>Repeatable carrier generation<\/li>\n<li>External reference capability<\/li>\n<li>Multi-radio synchronization options<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Applications requiring greater frequency precision can use an external reference source to improve synchronization and frequency accuracy.\n<\/p>\n<h4>User-Programmable FPGA<\/h4>\n<p>\nOne of the major advantages of the USRP-2940 architecture is the FPGA processing capability located directly within the SDR hardware.\n<\/p>\n<ul>\n<li>Onboard FPGA processing<\/li>\n<li>Custom digital signal processing<\/li>\n<li>Real-time filtering<\/li>\n<li>Digital upconversion<\/li>\n<li>Digital downconversion<\/li>\n<li>Custom triggering and control<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> FPGA processing allows computationally intensive and latency-sensitive algorithms to execute closer to the RF hardware rather than relying entirely on the host computer.\n<\/p>\n<h4>High-Speed Host Connectivity<\/h4>\n<p>\nThe USRP-2940 supports high-speed connectivity for transferring I\/Q data between the SDR and host processing system.\n<\/p>\n<ul>\n<li>Gigabit Ethernet support<\/li>\n<li>PCI Express \/ MXI Express connectivity options<\/li>\n<li>High-throughput I\/Q streaming<\/li>\n<li>PC-based SDR development<\/li>\n<li>Flexible laboratory integration<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Multiple host-interface options provide flexibility when balancing throughput, system architecture, and installation requirements.\n<\/p>\n<h4>External Clock and Synchronization<\/h4>\n<p>\nThe USRP-2940 supports external timing and reference signals for applications involving multiple synchronized radios.\n<\/p>\n<ul>\n<li>External reference clock support<\/li>\n<li>External timing synchronization<\/li>\n<li>Multi-device RF systems<\/li>\n<li>Coordinated acquisition<\/li>\n<li>Coordinated waveform generation<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> External synchronization enables multiple SDR devices to operate from common timing and frequency references.\n<\/p>\n<h3>Technical Specifications<\/h3>\n<table>\n<tr>\n<th>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td width=\"220\">Product Type<\/td>\n<td>High-Performance Software Defined Radio \/ USRP<\/td>\n<\/tr>\n<tr>\n<td>\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\n<td>NI USRP-2940<\/td>\n<\/tr>\n<tr>\n<td>Equivalent Architecture<\/td>\n<td>Ettus Research X310 + WBX<\/td>\n<\/tr>\n<tr>\n<td>RF Channels<\/td>\n<td>2 TX \/ 2 RX<\/td>\n<\/tr>\n<tr>\n<td>Transmit Frequency Range<\/td>\n<td>50 MHz to 2.2 GHz<\/td>\n<\/tr>\n<tr>\n<td>Receive Frequency Range<\/td>\n<td>50 MHz to 2.2 GHz<\/td>\n<\/tr>\n<tr>\n<td>Frequency Step<\/td>\n<td>&lt;1 kHz<\/td>\n<\/tr>\n<tr>\n<td>Frequency Accuracy<\/td>\n<td>2.5 ppm<\/td>\n<\/tr>\n<tr>\n<td>Bandwidth Versions<\/td>\n<td>40 MHz \/ 120 MHz<\/td>\n<\/tr>\n<tr>\n<td>Maximum I\/Q Sample Rate<\/td>\n<td>200 MS\/s<\/td>\n<\/tr>\n<tr>\n<td>Transmit Channels<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Receive Channels<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Transmit Gain Range<\/td>\n<td>0 dB to 31 dB<\/td>\n<\/tr>\n<tr>\n<td>Transmit Gain Step<\/td>\n<td>1 dB<\/td>\n<\/tr>\n<tr>\n<td>Maximum RF Output Power<\/td>\n<td>17\u201320 dBm at 50 MHz\u20131.2 GHz \/ 15\u201318 dBm at 1.2\u20132.2 GHz<\/td>\n<\/tr>\n<tr>\n<td>Receive Gain Range<\/td>\n<td>0 dB to 37.5 dB<\/td>\n<\/tr>\n<tr>\n<td>ADC Resolution<\/td>\n<td>14-bit<\/td>\n<\/tr>\n<tr>\n<td>DAC Resolution<\/td>\n<td>16-\u0431\u0438\u0442\u043d\u044b\u0439<\/td>\n<\/tr>\n<tr>\n<td>\u0424\u041f\u0413\u0410<\/td>\n<td>User-Programmable FPGA Architecture<\/td>\n<\/tr>\n<tr>\n<td>Host Connectivity<\/td>\n<td>Gigabit Ethernet \/ PCI Express or MXI Express<\/td>\n<\/tr>\n<tr>\n<td>External Reference<\/td>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<td>Primary Applications<\/td>\n<td>MIMO, Wireless Research, RF Prototyping, Radar, Spectrum Monitoring and FPGA-Based SDR<\/td>\n<\/tr>\n<\/table>\n<h3>Software Ecosystem<\/h3>\n<p>\nThe NI USRP-2940 integrates with NI software tools for host-based RF processing as well as FPGA-based software-defined radio development.\n<\/p>\n<ul>\n<li>\n<strong>NI-USRP:<\/strong> Provides software APIs for RF configuration, frequency control, gain adjustment, signal acquisition, waveform generation, and I\/Q streaming.\n<\/li>\n<li>\n<strong>LabVIEW:<\/strong> Enables graphical development of wireless communications, RF measurement, signal processing, modulation, demodulation, and automated SDR applications.\n<\/li>\n<li>\n<strong>FPGA Development:<\/strong> The programmable FPGA architecture enables implementation of custom high-speed and low-latency signal-processing algorithms directly within the radio hardware.\n<\/li>\n<li>\n<strong>Custom SDR Applications:<\/strong> Engineers can develop application-specific communication, radar, spectrum monitoring, and RF research systems.\n<\/li>\n<\/ul>\n<h3>Industries<\/h3>\n<ul>\n<li>Wireless Communications<\/li>\n<li>Telecommunications Research<\/li>\n<li>Aerospace and Defense Research<\/li>\n<li>Radar Development<\/li>\n<li>RF Engineering<\/li>\n<li>Electronic Warfare Research<\/li>\n<li>Universities and Education<\/li>\n<li>Scientific Research<\/li>\n<li>Wireless Product Development<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<h4>MIMO Wireless Communications<\/h4>\n<p>\nThe 2 TX \/ 2 RX architecture makes the USRP-2940 suitable for multi-antenna wireless communication research.\n<\/p>\n<ul>\n<li>2&#215;2 MIMO<\/li>\n<li>Spatial multiplexing<\/li>\n<li>Transmit diversity<\/li>\n<li>Receive diversity<\/li>\n<li>Multi-antenna algorithm development<\/li>\n<\/ul>\n<h4>Beamforming Research<\/h4>\n<p>\nMultiple RF channels can be used to investigate phased-array and beamforming concepts.\n<\/p>\n<ul>\n<li>Digital beamforming<\/li>\n<li>Multi-antenna processing<\/li>\n<li>Direction-of-arrival research<\/li>\n<li>Spatial signal processing<\/li>\n<li>Antenna-array experiments<\/li>\n<\/ul>\n<h4>Wireless Communications Research<\/h4>\n<p>\nThe wide RF tuning range and programmable SDR architecture support development of custom communication systems.\n<\/p>\n<ul>\n<li>Digital modulation<\/li>\n<li>OFDM development<\/li>\n<li>Channel coding<\/li>\n<li>Receiver algorithms<\/li>\n<li>Wireless protocol research<\/li>\n<\/ul>\n<h4>Cellular Research<\/h4>\n<p>\nThe USRP-2940 can support experimental cellular communication applications operating within its supported frequency range.\n<\/p>\n<ul>\n<li>Cellular waveform research<\/li>\n<li>Physical-layer development<\/li>\n<li>Channel characterization<\/li>\n<li>Baseband algorithm testing<\/li>\n<li>Multi-antenna cellular experiments<\/li>\n<\/ul>\n<h4>Radar Research<\/h4>\n<p>\nWide bandwidth, dual-channel RF operation, and programmable FPGA resources make the USRP-2940 useful for experimental radar applications.\n<\/p>\n<ul>\n<li>Radar waveform generation<\/li>\n<li>Radar signal acquisition<\/li>\n<li>Pulse processing<\/li>\n<li>FMCW research<\/li>\n<li>Real-time radar DSP<\/li>\n<\/ul>\n<h4>Spectrum Monitoring<\/h4>\n<p>\nThe USRP-2940 can acquire wideband I\/Q signals for software-based spectrum monitoring and RF analysis.\n<\/p>\n<ul>\n<li>Wideband spectrum monitoring<\/li>\n<li>Signal detection<\/li>\n<li>Interference analysis<\/li>\n<li>RF environment monitoring<\/li>\n<li>Signal classification research<\/li>\n<\/ul>\n<h4>Direction Finding<\/h4>\n<p>\nMultiple synchronized receive channels can support experimental direction-finding and localization algorithms.\n<\/p>\n<ul>\n<li>Direction-of-arrival estimation<\/li>\n<li>Phase comparison<\/li>\n<li>Multi-antenna receiver systems<\/li>\n<li>Signal localization research<\/li>\n<li>Spatial RF analysis<\/li>\n<\/ul>\n<h4>FPGA-Based Signal Processing<\/h4>\n<p>\nThe programmable FPGA allows real-time algorithms to execute directly within the SDR hardware.\n<\/p>\n<ul>\n<li>Real-time filtering<\/li>\n<li>FFT processing<\/li>\n<li>Custom triggering<\/li>\n<li>Signal detection<\/li>\n<li>Digital downconversion<\/li>\n<li>Low-latency RF processing<\/li>\n<\/ul>\n<h3>Comparison with Similar USRP Devices<\/h3>\n<table>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0435<\/th>\n<th>Best Application<\/th>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2940\/\"><strong>NI USRP-2940<\/strong><\/a>\n<\/td>\n<td>\n50 MHz to 2.2 GHz, 2 TX\/2 RX SDR with 40 MHz or 120 MHz bandwidth and programmable FPGA architecture.\n<\/td>\n<td>\nMIMO and wideband SDR research\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2930\/\"><strong>NI USRP-2930<\/strong><\/a>\n<\/td>\n<td>\n50 MHz to 2.2 GHz, 1 TX\/1 RX SDR with integrated GPS-disciplined timing and lower real-time bandwidth.\n<\/td>\n<td>\nGPS-synchronized SDR applications\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2942\/\"><strong>NI USRP-2942<\/strong><\/a>\n<\/td>\n<td>\nSimilar 2 TX\/2 RX high-performance architecture but with 400 MHz to 4.4 GHz RF coverage.\n<\/td>\n<td>\nHigher-frequency MIMO and SDR research\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2950\/\"><strong>NI USRP-2950<\/strong><\/a>\n<\/td>\n<td>\n50 MHz to 2.2 GHz, 2 TX\/2 RX architecture with integrated GPS-disciplined oscillator for improved synchronization.\n<\/td>\n<td>\nSynchronized MIMO and distributed RF systems\n<\/td>\n<\/tr>\n<\/table>\n<h3>Recommended Related Products<\/h3>\n<table>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2930\/\"><strong>NI USRP-2930<\/strong><\/a>\n<\/td>\n<td>\n50 MHz to 2.2 GHz GPS-disciplined SDR for applications requiring precise timing and synchronization with lower channel requirements.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2942\/\"><strong>NI USRP-2942<\/strong><\/a>\n<\/td>\n<td>\n2 TX\/2 RX software-defined radio covering 400 MHz to 4.4 GHz for higher-frequency wireless and RF research.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2950\/\"><strong>NI USRP-2950<\/strong><\/a>\n<\/td>\n<td>\nGPS-disciplined version for advanced synchronized MIMO, distributed radio, and wideband wireless research.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/usrp-2920\/\"><strong>NI USRP-2920<\/strong><\/a>\n<\/td>\n<td>\nLower-cost 1 TX\/1 RX SDR covering 50 MHz to 2.2 GHz for general-purpose wireless communication research.\n<\/td>\n<\/tr>\n<\/table>\n<h3>Why Choose USRP-2940?<\/h3>\n<ul>\n<li>50 MHz to 2.2 GHz continuous RF coverage<\/li>\n<li>2 transmit and 2 receive RF channels<\/li>\n<li>Suitable for 2&#215;2 MIMO applications<\/li>\n<li>40 MHz and 120 MHz bandwidth configurations<\/li>\n<li>Maximum I\/Q sample rate up to 200 MS\/s<\/li>\n<li>14-bit receiver ADC architecture<\/li>\n<li>16-bit transmitter DAC architecture<\/li>\n<li>Programmable RF gain<\/li>\n<li>User-programmable FPGA<\/li>\n<li>\u0413\u0438\u0433\u0430\u0431\u0438\u0442\u043d\u043e\u0435 Ethernet-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435<\/li>\n<li>PCI Express \/ MXI Express connectivity options<\/li>\n<li>External synchronization support<\/li>\n<li>Suitable for wideband wireless and radar research<\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the NI USRP-2940?<\/h4>\n<p>\nThe NI USRP-2940 is a high-performance software-defined radio platform providing two transmit and two receive RF channels, 50 MHz to 2.2 GHz frequency coverage, wideband I\/Q processing, and programmable FPGA resources.\n<\/p>\n<h4>What frequency range does the USRP-2940 support?<\/h4>\n<p>\nThe USRP-2940 supports RF transmission and reception from 50 MHz to 2.2 GHz.\n<\/p>\n<h4>How many RF channels does the USRP-2940 have?<\/h4>\n<p>\nThe USRP-2940 provides two transmit channels and two receive channels, making it suitable for 2&#215;2 MIMO and other multi-channel RF applications.\n<\/p>\n<h4>What bandwidth does the USRP-2940 support?<\/h4>\n<p>\nThe USRP-2940 family is available in 40 MHz and 120 MHz maximum instantaneous real-time bandwidth configurations. The exact bandwidth therefore depends on the specific USRP-2940 version.\n<\/p>\n<h4>What is the maximum I\/Q sample rate of USRP-2940?<\/h4>\n<p>\nThe USRP-2940 supports a maximum I\/Q sample rate of up to 200 MS\/s according to the device specifications.\n<\/p>\n<h4>Can USRP-2940 be used for MIMO?<\/h4>\n<p>\nYes. Its two transmit and two receive channels make the USRP-2940 suitable for 2&#215;2 MIMO, spatial diversity, multi-antenna communications, and related research applications.\n<\/p>\n<h4>Does the USRP-2940 have a programmable FPGA?<\/h4>\n<p>\nYes. The USRP-2940 architecture includes programmable FPGA resources that can be used for custom digital signal processing, filtering, triggering, modulation, demodulation, and other low-latency RF functions.\n<\/p>\n<h4>What is the difference between USRP-2930 and USRP-2940?<\/h4>\n<p>\nBoth devices cover 50 MHz to 2.2 GHz, but the USRP-2930 is a 1 TX\/1 RX platform with integrated GPS-disciplined timing and lower bandwidth. The USRP-2940 provides 2 TX\/2 RX channels, substantially higher bandwidth options, and a more powerful FPGA architecture for advanced SDR applications.\n<\/p>\n<h4>What is the difference between USRP-2940 and USRP-2942?<\/h4>\n<p>\nThe two platforms use a similar high-performance 2 TX\/2 RX SDR architecture. The primary difference is RF frequency coverage: the USRP-2940 covers 50 MHz to 2.2 GHz, while the USRP-2942 covers 400 MHz to 4.4 GHz.\n<\/p>\n<h4>What is the difference between USRP-2940 and USRP-2950?<\/h4>\n<p>\nBoth provide 50 MHz to 2.2 GHz RF coverage, 2 TX\/2 RX operation, and 40 MHz or 120 MHz bandwidth options. The USRP-2950 adds an integrated GPS-disciplined oscillator, making it more suitable for applications requiring improved frequency accuracy, absolute timing, or distributed synchronization.\n<\/p>\n<h4>Can USRP-2940 be used for radar research?<\/h4>\n<p>\nYes. Its dual transmit and receive channels, wide instantaneous bandwidth, programmable FPGA, and high-speed I\/Q processing make the USRP-2940 suitable for experimental radar waveform generation, acquisition, and real-time signal-processing research within the hardware&#8217;s RF performance limits.\n<\/p>\n<h4>Can USRP-2940 be used for spectrum monitoring?<\/h4>\n<p>\nYes. The USRP-2940 can acquire wideband I\/Q data for spectrum monitoring, signal detection, interference analysis, and RF research. For calibrated regulatory or metrology measurements, a dedicated calibrated RF instrument may still be required.\n<\/p>\n<h4>What software supports USRP-2940?<\/h4>\n<p>\nThe USRP-2940 is supported by compatible NI-USRP software environments and can be integrated with LabVIEW for RF configuration, I\/Q streaming, waveform generation, signal acquisition, and software-defined radio development.\n<\/p>\n<h4>Is the USRP-2940 available in different bandwidth versions?<\/h4>\n<p>\nYes. NI documentation identifies both USRP-2940 40 MHz and USRP-2940 120 MHz versions. When purchasing a replacement or expanding an existing system, the exact bandwidth version and part number should be verified before ordering.\n<\/p>\n<h3>\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI USRP-2940 software defined radio<\/strong> is a high-performance 2 TX\/2 RX SDR platform for MIMO communications, RF prototyping, radar research, spectrum monitoring, direction finding, FPGA-based signal processing, and advanced wireless experimentation. With continuous 50 MHz to 2.2 GHz RF coverage, 40 MHz or 120 MHz bandwidth configurations, up to 200 MS\/s I\/Q sampling, programmable FPGA resources, and high-speed host connectivity, the USRP-2940 provides a substantial performance upgrade for applications requiring wider bandwidth and multiple RF channels.<\/p>","protected":false},"excerpt":{"rendered":"<p>Product Introduction The NI USRP-2940 is a high-performance software defined radio (SDR) platform designed for wireless communications research, RF prototyping,<\/p>","protected":false},"featured_media":31926,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[690],"product_tag":[],"class_list":["post-29762","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-usrp","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.1) - 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