The ViaLiteHD - IF 70/140 MHz from Vialite Communications is a RF Over Fiber Module with Frequency Range 10 to 200 MHz, Optical Wavelengths 1290 to 1330 nm, Optical Output Power 4.5 dBm, Noise Figure 19 dB, P1dB 11 dBm. Tags: Rack Mount/Benchtop, Transmitter, Receiver. More details for ViaLiteHD - IF 70/140 MHz can be seen below.