With good quality,high sensitivity optical receiving module(EB) OR PIN photodetector(RB-A), higher RF output level low noise and less nonlinear distortion; Bandwidth:forward(45)87--862MHZ/(45)87--750MHZ,reverse 5-65MHZ(or specified by user); Plug-in diplex filter,several frequency division for selection individual input port AC60V power supply; High capability to price ratio;