---
type: product
schema_version: 1
stock_number: "96265-1"
canonical_url: "https://www.artisantg.com/96265-1/Ettus-Research-UBX-40"
json_url: "https://www.artisantg.com/96265-1/Ettus-Research-UBX-40.json"
generated_at: "2026-11-07T01:36:41.458Z"
last_updated: "2026-10-14T13:00:51.160-05:00"
---

# NI / Ettus Research UBX-40 Full-Duplex Wideband Transceiver Daughterboard

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Ettus Research
- Model: UBX-40
- Condition: Used and in Excellent Condition
- Price: $1,895.00 USD
- Availability: In stock, 1 available
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1 lb, estimated
- Shipping dimensions: 9X9X3 in, estimated

## Categories

- Test Equipment > Telecom Test > Communications Equipment (primary)
- Military and Embedded Equipment > Embedded & Industrial > Other Modular

## Details

### Configuration

- Bandwidth: 40 MHz, RX and TX
- USRP Compatibility: N or X Series

## Overview

Wideband RF transceiver daughterboard operating from 10 MHz to 6 GHz with 40 MHz instantaneous bandwidth. Features full-duplex operation with independent TX/RX chains, integrated synthesizers, and quadrature mixers. Interfaces with USRP X-series motherboards via dual 120-pin Samtec connectors providing high-speed digital I/Q data paths and control signals. Includes programmable gain amplifiers, RF switches, and power detectors. Supports direct conversion architecture with baseband I/Q sampling. Common applications include wideband spectrum monitoring, cognitive radio research, MIMO communications testbeds, radar prototyping, and software-defined radio development requiring simultaneous transmit/receive capabilities.

## Function

Provides full-duplex RF transceiver capabilities operating from 10 MHz to 6 GHz with 40 MHz instantaneous bandwidth. Implements direct conversion architecture with integrated synthesizers, mixers, and gain stages for transmit and receive chains. Interfaces with USRP motherboards via high-speed digital interface for baseband I/Q sample transfer. Supports independent TX/RX tuning, variable gain control, and antenna switching. Enables software-defined radio applications including wireless communications prototyping, spectrum monitoring, cognitive radio research, and RF test instrumentation. Compatible with GNU Radio, LabVIEW, and other SDR frameworks for signal processing implementation.

## Platform

Designed for USRP X-Series and N-Series software-defined radio mainboards, it connects via an internal daughterboard header for direct FPGA interfacing, enabling I/Q data streaming and control. External connections consist of two SMA connectors for separate transmit and receive RF signal paths, interfacing with antennas or RF front-end equipment. Operator control is managed through a host computer utilizing the USRP Hardware Driver (UHD) API, enabling integration with software applications such as GNU Radio, LabVIEW, or MATLAB for signal processing and system control.

## Application

Transceiver daughterboard designed for software-defined radio (SDR) applications enabling full-duplex wireless communications across 10 MHz to 6 GHz frequency range with up to 160 MHz instantaneous bandwidth. Features integrated local oscillators, mixers, filters, and amplifiers for RF signal processing. Compatible with USRP (Universal Software Radio Peripheral) hardware platforms, connecting through high-speed digital interfaces. Commonly used in wireless communications research, spectrum monitoring, cellular base station prototyping, cognitive radio experiments, radar systems, and satellite communications.

## Accessories

Requires USRP mainframe such as X310, X300, N210, or B210 series with daughterboard slots. Standard 100-pin high-speed board-to-board connector interface. SMA connectors for TX1/TX2 RF outputs and RX1/RX2 RF inputs. Requires external antenna connections via SMA cables. Clock and data signals provided through mainframe backplane connection. No external power supply needed as power supplied through mainframe. Compatible with GNU Radio software framework and USRP Hardware Driver.

## Interface

Requires compatible USRP X-Series or N-Series mainframe via proprietary high-density board-to-board daughterboard headers. RF I/O: One SMA female connector for TX/RX path, one SMA female connector for RX2 path. Required Accessories: RF coaxial cables with SMA male connectors, antennas.

## Images

- <https://www.artisantg.com/itemimages/ni_ettus_research_ubx_40_view1_202592135044.jpg>
- <https://www.artisantg.com/itemimages/ni_ettus_research_ubx_40_view2_202592135044.jpg>
- <https://www.artisantg.com/itemimages/ni_ettus_research_ubx_40_view3_202592135044.jpg>
- <https://www.artisantg.com/itemimages/ni_ettus_research_ubx_40_view4_202592135044.jpg>
