Specifications: 1) The amplifier supply voltage pin connect to 24V (DC). The modules have a optical input to 1,600nm wavelength, a terminal to monitor the photo diode current and an electrical output having a characteristic impedance of 75Ω 2) Excellent linearity 3) Extremely low noise 4) Excellent flatness 5) Standard CATV outline 6) Rugged construction 7) FC/APC, SC/APC 8) Optical wavelength: 1,290 - 1,660nm 9) Power supply: 24V DC 10) Remark: we can also provide CATV modules