The ROF-20-IU from Rover Instruments is a RF Over Fiber Module with Frequency Range 50 MHz to 3 GHz, Optical Wavelengths 1100 to 1650 nm, Optical Output Power 4.5 dBm, Noise Figure 10 dB, P1dB 5 dBm. Tags: Rack Mount/Benchtop, Transceiver. More details for ROF-20-IU can be seen below.