Product Introduction
The Ettus USRP N310 is a high-performance networked software defined radio (SDR) platform designed for advanced wireless communications research, massive MIMO development, distributed RF systems, radar prototyping, spectrum monitoring, beamforming, and FPGA-based real-time signal processing.
The USRP N310 combines a wideband RF transceiver architecture, four independent transmit and receive channels, programmable FPGA resources, embedded processing capability, and high-speed Ethernet connectivity into a compact standalone SDR platform.
Supporting RF operation from 1 MHz to 6 GHz, 4 TX / 4 RX channels, up to 200 MHz instantaneous bandwidth, and high-throughput 10 Gigabit Ethernet connectivity, the N310 provides a powerful solution for multi-channel wireless research and distributed SDR applications.
Product Overview
The Ettus USRP N310 belongs to the Ettus Research Networked Series SDR family and is optimized for applications requiring multiple synchronized RF channels, high data throughput, and flexible network deployment.
Unlike modular USRP X Series platforms that use interchangeable RF daughterboards, the N310 integrates the RF front end, FPGA processing, and network interface into a compact standalone SDR system. This makes it ideal for remote deployment, wireless testbeds, and distributed RF experiments.
With four transmit channels and four receive channels, the N310 is designed for advanced applications including 4×4 MIMO, massive MIMO research, beamforming, phased-array experiments, and multi-channel spectrum monitoring.
Key Features
1 MHz to 6 GHz RF Frequency Coverage
The USRP N310 provides broad RF coverage suitable for a wide range of wireless and RF applications.
- 1 MHz to 6 GHz RF frequency range
- Wideband RF transceiver architecture
- Software-configurable operating frequency
- Support for sub-6 GHz wireless systems
- Flexible RF experimentation
Advantage: The wide frequency range allows the N310 to support cellular communications, WLAN, IoT, ISM, radar, and advanced RF research applications.
4 TX / 4 RX RF Channels
The USRP N310 provides four transmit channels and four receive channels for advanced multi-antenna SDR applications.
- 4 transmit channels
- 4 receive channels
- 4×4 MIMO capability
- Massive MIMO research
- Multi-antenna communications
- Beamforming experiments
Advantage: Four synchronized RF channels provide the capability required for modern wireless systems using spatial processing and antenna arrays.
Up to 200 MHz Instantaneous Bandwidth
The N310 supports wideband RF operation with up to 200 MHz instantaneous bandwidth.
- Up to 200 MHz bandwidth
- Wideband I/Q streaming
- High-speed signal acquisition
- Wideband waveform generation
- Advanced communications testing
Advantage: High bandwidth enables high-data-rate wireless research, spectrum monitoring, channel measurements, and wideband RF experiments.
Integrated RF Front End
The N310 integrates RF functionality directly into the SDR platform without requiring external daughterboards.
- Integrated RF transceiver architecture
- Four-channel RF operation
- Compact standalone design
- Simplified deployment
- Reduced system complexity
Advantage: The integrated design allows faster system deployment for research laboratories and distributed RF installations.
Xilinx Kintex-7 FPGA Processing
The USRP N310 includes programmable FPGA resources for real-time signal processing and hardware acceleration.
- Kintex-7 FPGA architecture
- Real-time DSP processing
- Digital filtering
- Digital upconversion
- Digital downconversion
- Custom FPGA algorithms
Advantage: FPGA processing enables low-latency signal processing directly inside the SDR hardware.
High-Speed 10 Gigabit Ethernet
The N310 is designed for high-performance network-based SDR applications.
- 10 Gigabit Ethernet connectivity
- High-throughput I/Q streaming
- Remote SDR deployment
- Distributed RF systems
- Wireless research networks
Advantage: 10 GigE provides sufficient throughput for multiple RF channels and wideband signal streaming.
Gigabit Ethernet Support
The USRP N310 also supports Gigabit Ethernet for flexible network integration.
- 1 Gigabit Ethernet connectivity
- Standard network deployment
- Remote device management
- Flexible laboratory integration
Advanced Synchronization
The N310 provides timing and reference features required for coherent multi-channel RF systems.
- 10 MHz reference input
- PPS timing support
- Multi-USRP synchronization
- Phase-coherent RF operation
- Distributed wireless systems
Advantage: Accurate synchronization enables massive MIMO, beamforming, radar, and distributed sensing applications.
Optional GPSDO Support
The USRP N310 supports optional GPS-disciplined oscillator capability for applications requiring precise timing and frequency references.
- GPSDO option
- GPS-referenced frequency synchronization
- GPS timing information
- Distributed radio networks
- Precision RF measurements
RFNoC Support
The N310 supports Ettus RF Network-on-Chip (RFNoC) architecture for FPGA-based signal processing.
- Custom FPGA processing blocks
- Hardware acceleration
- Real-time DSP pipelines
- Low-latency processing
- Flexible SDR architecture
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | Networked Software Defined Radio |
| Model | Ettus USRP N310 |
| RF Frequency Range | 1 MHz to 6 GHz |
| RF Channels | 4 TX / 4 RX |
| MIMO Capability | 4×4 MIMO |
| Instantaneous Bandwidth | Up to 200 MHz |
| FPGA | Xilinx Kintex-7 FPGA |
| RF Architecture | Integrated RF Transceiver Architecture |
| Network Interface | 10 Gigabit Ethernet / Gigabit Ethernet |
| Synchronization | 10 MHz Reference and PPS Support |
| GPSDO | Optional |
| Software Support | UHD, GNU Radio, RFNoC |
| Primary Applications | Massive MIMO, Wireless Testbeds, Distributed SDR, Radar and Spectrum Monitoring |
Software Ecosystem
The Ettus USRP N310 is supported by the UHD software ecosystem and professional SDR development tools.
- UHD: Provides APIs for RF configuration, streaming, synchronization, device control, and network operation.
- GNU Radio: Enables graphical SDR development for communications, modulation, demodulation, and signal processing.
- RFNoC: Provides FPGA-based processing architecture for high-performance real-time SDR systems.
- C/C++ and Python: Support customized SDR applications, automation, and research workflows.
Industries
- Wireless Communications
- 5G Research
- Aerospace and Defense
- Radar Development
- Electronic Warfare Research
- RF Engineering
- Telecommunications
- Universities and Research Laboratories
Applications
Massive MIMO Research
The four-channel architecture makes the N310 suitable for advanced multi-antenna wireless research.
- 4×4 MIMO
- Massive MIMO experiments
- Spatial multiplexing
- Multi-user MIMO
- Antenna-array research
5G Wireless Testbeds
The N310 provides the channel count and bandwidth required for experimental 5G communication systems.
- 5G physical-layer research
- Private network experiments
- Open wireless platforms
- Beamforming testing
- Advanced PHY development
Distributed SDR Systems
The network-based architecture makes the N310 ideal for distributed wireless deployments.
- Remote SDR networks
- Multi-node experiments
- Distributed spectrum sensing
- Large-scale RF testbeds
- Remote communication systems
Beamforming Research
Multiple synchronized channels enable advanced beamforming and spatial processing research.
- Digital beamforming
- Phased-array experiments
- Adaptive antennas
- Spatial signal processing
Radar Development
The N310 can support experimental radar applications using wideband acquisition and FPGA processing.
- FMCW radar
- Radar waveform generation
- Multi-channel radar systems
- Real-time radar DSP
Spectrum Monitoring
The wide RF range and multi-channel capability support advanced spectrum applications.
- Wideband spectrum acquisition
- Signal detection
- Interference analysis
- RF environment monitoring
- Signal classification
Comparison with Similar USRP Devices
| Model | Main Difference | Best Application |
|---|---|---|
| USRP N310 | Network SDR with integrated RF front end, 1 MHz to 6 GHz coverage, 4 TX/4 RX and 200 MHz bandwidth. | 4×4 MIMO, distributed SDR systems and wireless testbeds |
| USRP N300 | Similar network SDR platform but with 2 TX/2 RX channels. | 2×2 MIMO and general SDR research |
| USRP X310 | Modular daughterboard SDR with larger FPGA resources and flexible RF configuration. | Custom SDR and FPGA development |
| USRP X410 | RFSoC-based SDR with higher bandwidth and advanced 5G/6G capability. | Next-generation wireless research |
Recommended Related Products
| Ettus USRP N300 | Network SDR platform with 2 TX/2 RX channels for wireless research and distributed RF applications. |
| Ettus USRP X310 | Modular high-performance SDR platform for FPGA-intensive applications. |
| Ettus USRP X420 | RFSoC-based SDR platform for wideband wireless research and advanced communications. |
Why Choose USRP N310?
- 1 MHz to 6 GHz RF coverage
- 4 TX / 4 RX channels
- 4×4 MIMO capability
- Up to 200 MHz bandwidth
- Integrated RF front end
- Kintex-7 FPGA processing
- 10 Gigabit Ethernet connectivity
- Network-based SDR architecture
- Optional GPSDO synchronization
- RFNoC FPGA acceleration
- Ideal for massive MIMO and distributed wireless systems
Frequently Asked Questions
What is the Ettus USRP N310?
The USRP N310 is a high-performance networked software-defined radio platform designed for multi-channel wireless research, massive MIMO, distributed SDR systems, and FPGA-based signal processing.
What frequency range does the USRP N310 support?
The USRP N310 supports RF operation from 1 MHz to 6 GHz.
How many channels does the USRP N310 provide?
The N310 provides four transmit channels and four receive channels, supporting 4×4 MIMO applications.
What bandwidth does the USRP N310 support?
The USRP N310 supports up to 200 MHz instantaneous bandwidth.
What is the difference between USRP N300 and N310?
The main difference is channel count. The USRP N300 provides 2 TX/2 RX channels, while the N310 provides 4 TX/4 RX channels for more advanced MIMO, beamforming, and multi-antenna applications.
Does the USRP N310 support 10 Gigabit Ethernet?
Yes. The N310 provides 10 Gigabit Ethernet connectivity for high-throughput RF data streaming and distributed SDR deployments.
Does the USRP N310 support GPSDO?
Yes. Optional GPS-disciplined oscillator support is available for applications requiring accurate frequency and timing synchronization.
What software supports the USRP N310?
The N310 supports UHD, GNU Radio, RFNoC, C/C++, and Python-based SDR development environments.
Conclusion
The Ettus USRP N310 software defined radio is a high-performance network SDR platform designed for advanced wireless communications, massive MIMO, distributed RF systems, radar research, spectrum monitoring, and FPGA-based signal processing. With 1 MHz to 6 GHz RF coverage, 4 TX/4 RX channels, up to 200 MHz bandwidth, 10 Gigabit Ethernet connectivity, FPGA acceleration, and optional GPSDO synchronization, the USRP N310 provides a powerful and flexible platform for modern SDR research and wireless system development.


