In previous proposed system, Radio frequency signal was transmitted through RF system. But the system had some disadvantages like non coherence and system was not efficient. This was overcome by using RF to optical domain converter. But that signal has to be recovered by converting the optical signal back to RF signal. This can be done by this system i.e. Optical to RF converter which is having photo detector, TIA and LNA. Here the modulated optical signal is detected by using photo detector, which detect the light signal and convert it to current signal. This current signal is converted to voltage signal and then required amplification is provided by using a LNA. Hence this system is a compact, and efficient system which is to provide a high speed optical to RF conversion.