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July 2025
Ettus USRP X440
Ettus USRP X440, 8 Channels, Ethernet Bus Connector, Software Defined Radio Device
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free Domestic Ground Shipping
✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Ettus USRP X440 Software Defined Radio Device
The Ettus USRP X440 (Part Number: 788670-01) is a highly capable multichannel software-defined radio (SDR) designed for developing advanced systems in the generation and analysis of wideband signals. This product incorporates a novel transceiver architecture based on direct sampling. The channels contain MMPX front-end connections to the internal converters, which perform well into the range of 30 MHz to 4 GHz. The number of channels affords a very high degree of channel density with eight independent transmit and eight receive channels, providing up to 1.6 GHz instantaneous bandwidth on each channel and an aggregated bandwidth of 3.2 GHz. One of the primary benefits of this direct sampling approach is excellent coherent phase stability, less than 1° RMS between phases in one device and less than 2° RMS between devices. This is ideal for multichannel applications such as direction finding and beam-forming.
Central to the concept of the USRP X440 is a high-performance Xilinx Zynq UltraScale+ RFSoC (ZU28DR-2) FPGA super-chips, which incorporates a quad-core ARM Cortex-A53 processor for advanced on-board processing. This unit will support open-source tool flows for software such as UHD (version 4.5 or later), RFNoC, and GNU Radio, thus making for extreme flexibility for algorithm development. The processing capabilities require high-speed data handling via 100 Gigabit Ethernet (GbE) dual QSFP28 ports, logically indicated by the requirement for streaming the vast amounts of data which are generated by its wide bandwidths. A built-in GPS-disciplined oven-controlled oscillator (OCXO), brings exceptional frequency accuracy and synchronicity of multiple devices.
The Ettus USRP X440 has been designed to be used for demanding applications in research and prototyping. Its high channel count and phase stability are ideal in the radar system and electronic warfare (EW) areas, as well as in the 5G and 6G massive MIMO research. The wide instantaneous bandwidth is complemented by the ability to interface with external frequency conversion circuits, useful for SATCOM (Satcom Communications) ground stations and the millimeter-wave (mmWave) developments. This integration of hardware and software into one product provides a capable mechanism for developing and deploying the next generation of wireless devices.
| Model | Ettus USRP X440 |
|---|---|
| Part Number | 788670-01 |
| Part Type | Software Defined Radio (SDR) |
| Frequency | 30 MHz – 4 GHz |
| Bandwidth | 1.6 GHz/channel |
| Channels | 8 Tx / 8 Rx |
| RFSoC | Zynq UltraScale+ ZU28DR-2 |
| Data Interface | Dual 100 GbE (QSFP28) |
| Phase Coherency | <1° RMS Internal, <2° RMS Device-to-Device |
| Reference Clock | GPS-Disciplined 10 MHz OCXO |
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