Product Introduction
The Ettus USRP N300 is a high-performance networked software defined radio (SDR) platform designed for advanced wireless communications research, RF prototyping, distributed radio systems, spectrum monitoring, MIMO applications, radar experiments, and real-time FPGA-based signal processing.
The USRP N300 combines a flexible RF architecture, high-speed data converters, programmable FPGA processing, and high-throughput network connectivity into a compact embedded SDR platform. It is designed for applications requiring reliable remote operation, synchronized multi-device deployments, and high-performance RF data streaming.
Supporting RF operation from 1 MHz to 6 GHz, 2 transmit channels and 2 receive channels, up to 200 MHz instantaneous bandwidth, and 10 Gigabit Ethernet connectivity, the USRP N300 provides a powerful solution for modern SDR research and wireless system development.
Product Overview
The Ettus USRP N300 belongs to the Ettus Research Networked Series SDR family and is optimized for distributed RF systems requiring high-performance Ethernet-based connectivity.
Unlike modular X Series platforms such as the USRP X310, the N300 integrates the RF front end, FPGA processing, and network interface into a compact standalone SDR system. This makes it ideal for remote deployment, multi-radio testbeds, and distributed wireless experiments.
The N300 provides two RF transmit channels and two RF receive channels, making it suitable for MIMO communication research, beamforming experiments, wireless protocol development, spectrum monitoring, and advanced RF applications.
Key Features
1 MHz to 6 GHz RF Frequency Coverage
The USRP N300 provides wide RF coverage for a broad 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 N300 to support cellular, WLAN, IoT, ISM, radar, and experimental communication systems.
2 TX / 2 RX RF Channels
The USRP N300 provides two transmit and two receive channels for multi-channel SDR applications.
- 2 transmit channels
- 2 receive channels
- 2×2 MIMO capability
- Multi-antenna experiments
- Beamforming research
- Parallel RF acquisition and transmission
Advantage: Dual RF channels provide the flexibility required for MIMO, diversity, and multi-antenna wireless research.
Up to 200 MHz Instantaneous Bandwidth
The USRP N300 supports wideband RF operation with up to 200 MHz instantaneous bandwidth.
- Up to 200 MHz bandwidth
- Wideband I/Q streaming
- High-speed RF acquisition
- Wideband waveform generation
- Advanced wireless testing
Advantage: Large bandwidth enables high-data-rate communications, spectrum monitoring, channel measurements, and wideband RF experiments.
Integrated RF Front End
The N300 integrates RF functionality directly into the SDR platform without requiring external daughterboards.
- Integrated RF transceiver architecture
- Dual-channel RF operation
- Compact standalone design
- Reduced system complexity
- Easy deployment
Advantage: The integrated design simplifies installation and makes the N300 suitable for distributed and remote SDR deployments.
Xilinx Kintex-7 FPGA Processing
The USRP N300 includes programmable FPGA resources for implementing real-time signal-processing functions.
- Kintex-7 FPGA architecture
- Real-time DSP processing
- Digital filtering
- Digital upconversion
- Digital downconversion
- Custom FPGA algorithms
Advantage: FPGA processing allows low-latency signal processing and hardware acceleration directly inside the SDR.
High-Speed 10 Gigabit Ethernet
The N300 is designed for high-performance network-based SDR applications.
- 10 Gigabit Ethernet interface
- High-throughput I/Q streaming
- Remote SDR operation
- Distributed RF systems
- Network-based testbeds
Advantage: 10 GigE connectivity enables flexible deployment and high-speed data transfer between SDR hardware and processing systems.
Gigabit Ethernet Support
The USRP N300 also supports Gigabit Ethernet connectivity for standard network deployment.
- 1 Gigabit Ethernet interface
- Standard network integration
- Remote device control
- Flexible laboratory deployment
External Clock and Synchronization
The N300 supports timing and reference functions for synchronized RF systems.
- 10 MHz reference input
- PPS timing support
- Multi-USRP synchronization
- Phase-coherent applications
- Distributed wireless systems
Advantage: Accurate synchronization enables coherent MIMO, beamforming, radar, and distributed sensing applications.
Optional GPSDO Support
The USRP N300 supports optional GPS-disciplined oscillator capability for applications requiring accurate timing and frequency references.
- GPSDO option
- GPS-referenced frequency
- GPS timing synchronization
- Distributed radio networks
- Precision RF experiments
RFNoC Support
The N300 supports Ettus RF Network-on-Chip (RFNoC) architecture for FPGA-based signal processing.
- FPGA processing blocks
- Hardware acceleration
- Real-time DSP pipelines
- Custom processing chains
- Low-latency SDR applications
Technical Specifications
| Parameter | Description |
|---|---|
| Product Type | Networked Software Defined Radio |
| Model | Ettus USRP N300 |
| RF Frequency Range | 1 MHz to 6 GHz |
| RF Channels | 2 TX / 2 RX |
| MIMO Capability | 2×2 MIMO |
| Instantaneous Bandwidth | Up to 200 MHz |
| FPGA | Xilinx Kintex-7 FPGA |
| ADC | High-Speed RF ADC Architecture |
| DAC | High-Speed RF DAC 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 | Wireless Communications, MIMO, Distributed SDR, Radar and Spectrum Monitoring |
Software Ecosystem
The Ettus USRP N300 is supported by the UHD software ecosystem and multiple SDR development environments.
- UHD: Provides hardware drivers and APIs for frequency control, gain adjustment, streaming, synchronization, and device management.
- GNU Radio: Enables graphical SDR development for communications, modulation, demodulation, and signal processing applications.
- RFNoC: Provides FPGA-based processing architecture for high-performance real-time SDR systems.
- C/C++ and Python: Support customized SDR application development and automation.
Industries
- Wireless Communications
- Telecommunications Research
- Aerospace and Defense
- Radar Development
- RF Engineering
- Electronic Warfare Research
- Universities and Research Laboratories
- Wireless Testbed Development
Applications
Wireless Communication Research
The N300 provides a flexible platform for developing and testing wireless communication systems.
- Digital modulation research
- Wireless protocol development
- Physical layer experiments
- Channel measurements
- Communication testbeds
2×2 MIMO Systems
The dual-channel architecture supports MIMO communication research.
- 2×2 MIMO
- Spatial diversity
- Transmit diversity
- Receive diversity
- Multi-antenna experiments
Distributed SDR Networks
The network-based architecture makes the N300 suitable for distributed radio deployments.
- Remote SDR systems
- Multi-node wireless networks
- Distributed spectrum monitoring
- Large-scale RF experiments
- Wireless testbeds
Spectrum Monitoring
The wide RF coverage and bandwidth make the N300 suitable for spectrum-related applications.
- Wideband spectrum acquisition
- Signal detection
- Interference monitoring
- RF environment analysis
- Signal classification
Radar Research
The N300 can support experimental radar systems using wideband acquisition and FPGA processing.
- FMCW radar research
- Radar waveform generation
- Signal acquisition
- Real-time DSP
Beamforming Research
Multiple synchronized channels support experimental beamforming applications.
- Digital beamforming
- Antenna-array research
- Spatial signal processing
- Phase-coherent experiments
Comparison with Similar USRP Devices
| Model | Main Difference | Best Application |
|---|---|---|
| USRP N300 | Networked SDR with integrated RF front end, 1 MHz to 6 GHz coverage, 2 TX/2 RX and 200 MHz bandwidth. | Distributed SDR systems and wireless research |
| USRP N310 | Higher channel-count version with 4 TX/4 RX capability. | Multi-channel wireless systems and massive MIMO research |
| USRP X310 | Modular daughterboard SDR with larger FPGA and flexible RF configuration. | Advanced FPGA and SDR prototyping |
| USRP X410 | RFSoC-based SDR with 4 TX/4 RX and higher bandwidth capability. | 5G/6G research |
Recommended Related Products
| Ettus USRP N310 | Four-channel network SDR for advanced MIMO, beamforming, and distributed RF systems. |
| Ettus USRP X310 | Modular SDR platform for FPGA-intensive RF research and custom applications. |
| Ettus USRP X410 | RFSoC-based SDR platform for advanced 5G/6G wireless research. |
Why Choose USRP N300?
- 1 MHz to 6 GHz RF coverage
- 2 TX / 2 RX channels
- 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 distributed wireless testbeds
Frequently Asked Questions
What is the Ettus USRP N300?
The USRP N300 is a networked software-defined radio platform designed for high-performance RF research, distributed SDR systems, wireless communications, and FPGA-based signal processing.
What frequency range does the USRP N300 support?
The USRP N300 supports RF operation from 1 MHz to 6 GHz.
How many channels does the USRP N300 provide?
The N300 provides two transmit channels and two receive channels, supporting 2×2 MIMO applications.
What bandwidth does the USRP N300 support?
The USRP N300 supports up to 200 MHz instantaneous bandwidth.
What is the difference between USRP N300 and N310?
The main difference is RF channel count. The N300 provides 2 TX/2 RX channels, while the N310 provides 4 TX/4 RX channels for more advanced multi-antenna applications.
Does the USRP N300 support 10 Gigabit Ethernet?
Yes. The N300 provides 10 Gigabit Ethernet connectivity for high-throughput SDR data streaming.
Does the USRP N300 support GPSDO?
Yes. GPS-disciplined timing capability is available as an option for applications requiring precise synchronization.
What software supports the USRP N300?
The N300 supports UHD, GNU Radio, RFNoC, C/C++, and Python-based SDR development environments.
Conclusion
The Ettus USRP N300 software defined radio is a high-performance networked SDR platform designed for wireless communications research, distributed RF systems, MIMO experiments, radar development, spectrum monitoring, and FPGA-based signal processing. With 1 MHz to 6 GHz RF coverage, 2 TX/2 RX channels, up to 200 MHz bandwidth, 10 Gigabit Ethernet connectivity, FPGA acceleration, and optional GPSDO synchronization, the USRP N300 provides a flexible solution for modern SDR research and deployment.
