The MP-2320TX from Microwave Photonic Systems is a Fiber Optic Transmitter with Bandwidth 1 MHz to 3.5 GHz, RF Input Power 16 dBm, Wavelength Range 1270 to 1610 nm, Output Optical Power 2 to 5 mW, Distance/Reach Up to 50 km. More details for MP-2320TX can be seen below.