The BHE25869-50 from Stellant Systems is a RF Amplifier with Frequency 2.5 to 6 GHz, Gain 54 dB, Gain Flatness ±3 dB, Harmonics -13 dBc, AC Voltage 85 to 265 VAC. Tags: Benchtop / Rackmount, Power Amplifier. More details for BHE25869-50 can be seen below.