Device description: High speed amplifier unit (for photomultiplier tubes)
Freq. bandwidth: (-3 dB) 50 kHz – 1.5 Ghz.
Voltage gain: 36 dB
Current-to-voltage conversion factor: 3.15 mV/µA
Supply voltage: +12V
Specification: https://www.hamamatsu.com/resources/pdf/etd/C5594_TACC1068E.pdf