SA2500X, 2.5 GHz, ±8 V, 10X Attenuation, Single-Ended Active Oscilloscope Probe
784257-01 - NI (National Instruments)
The SA2500X is single-ended, active voltage probe that is used for many different high-speed measurement applications. The probe is powered by an included auxiliary power supply that is internationally compatible and certified. You can use it with oscilloscopes that provide 50 Ω input impedance.