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We are offering the Red Pitaya STEMlab 125-14 PRO Gen 2 Starter Kit and QSPI eMMC module Gen 2 for you to review. The STEMlab 125-14 PRO is Software Defined Radio hardware and libraries, which allow it to perform as a range of test and measurement equipment. Customisable to suit your use-case, the Red Pitaya can also be programmed from LabVIEW, MATLAB and Python. To test the STEMlab 125-14 PRO Gen 2, apply for this RoadTest. If selected we'll ship you the kit, for free. We pay for everything. You test it out and once you've posted your review, it's yours to keep!
Why you may be interested in reviewing the kit:
- Test and measurement equipment functionality: Reconfigurable via software as a range of laboratory equipment, the 125-14 PRO Gen 2 can function as an Oscilloscope, Function Generator, Spectrum, Bode or Logic Analyser, LCR Meter or a Vector Network Analyser.
- Software Defined Radio: Reconfigurable circuitry allows for a range of Software Defined Radio applications, supporting HPSDR, GNU radio and more.
- Versatile programming and control options: The Red Pitaya can be programmed using Jupyter/Python, controlled via MATLAB or LABview or run open-source code.
Key Features of the STEMlab 125-14 PRO Gen 2
- 14-bit, 125 MS/s ADC & DAC with wide bandwidth (up to 60 MHz)
- Xilinx Zynq 7010 SoC + 512 MB RAM for powerful processing and real-time control
- Multi-channel synchronization & external/internal clock support
- USB-C connectivity for power and console interface
- Advanced triggering options via GPIO and extension connectors
- Robust SMA connectors and high-voltage input tolerance (±20 V HV range)
- Compact, open-source platform for rapid prototyping, integration, and research
Key Specifications
| Basic | |
| Processor | Dual-core ARM Cortex-A9 |
| FPGA | Xilinx Zynq 7010 SoC |
| RAM | 512 MB |
| System Memory | Micro SD up to 32 GB |
| Console Connection | USB-C |
| Power Connector | USB-C |
| Power Consumption | 5 V, 3 A max |
| Connectivity | |
| Ethernet | 1 Gbit |
| USB | USB 2.0 x 2 |
| WiFi | Using WiFi Dongle |
| RF Inputs | |
| Channels | 2 |
| Sample Rate | 125MS/s |
| ADC Resolution | 14 bit |
| Full Scale Voltage Range | ±1V /±20V |
| Input Coupling | DC |
| Bandwidth | Bandwidth |
| Input Impedance | 1M Ω |
| RF Outputs | |
| Channels | 2 |
| Sample Rate | 125MS/s |
| DAC Resolution | 14 bit |
| Full Scale Voltage Range | ± 1V |
| Load Impedance | 50 Ω |
| Shortcut Protection | Yes |
| Typical Raising / Falling Time | 2V / 10ns |
| Bandwidth |
DC-60MHz |
| Extension Connector | |
| Digital IOs | 16 |
| Analogue Inputs | 4 channels 0-3.5V 12bit |
| Analog Outputs | 4 channels 0-1.8V 12bit |
| Communication Interfaces | I2C, SPI, UART |
| Available Voltages | -4V, +3.3V, +5V |
| Synchronisation | |
| Trigger Input | Through Extension Connector |
| Daisy Chain Connection | Over SATA Connection |
| Ref. Clock Input | N/A |
What's included?
RoadTesters will receive or have access to:
- Red Pitaya STEMlab 125-14 PRO Gen 2 board
- MicroSD card (with OS image pre-installed)
- 5V 5A USB type-C power supply
- Ethernet cable
- 2 × SMA-BNC adapters
- 2 x 50 ohm termination
- 2 x SMA T adapter
- 2 x SMA Cable
- Oscilloscope Probes
- QSPI eMMC module Gen 2
- M2 screw for attachment to STEMlab 125-14 PRO Gen 2 board
Documentation & Useful Links
- STEMlab 125-14 PRO Gen 2 Starter Kit
- QSPI eMMC module Gen 2
- Red Pitaya Documentation Page
- Red Pitaya Quick Start Page
- Red Pitaya Applications Documentation
- Red Pitaya YouTube Channel
Uses for the Hardware
Equipment you may need to try it
-
Router or network switch with DHCP enabled
-
Computer with a web browser (Chrome, Firefox, Safari, or Edge)
Important Dates
| Begin enrollment | 8th May 2026 |
| End enrollment | 7th June 2026 |
| Select RoadTesters | Week of 22nd May 2026 |
| Ship unit |
Ideally within 14 days upon confirmation of selected RoadTesters and subject to compliance checks. |
| Begin RoadTesting | On Receipt of Kit |
| element14 follow-up | 6 weeks after selection |
| Post reviews | 2 to 3 months after Kit Receipt |
Terms and Conditions
About the Sponsor
Red Pitaya is leading a revolution in the electronics industry, pioneering the move from closed, fixed-functionality instruments to multifunction, open-source software-defined instruments that are able to satisfy broad spectrum of customers in different market segments. Learn more here.
