LAC-21: Linear active combiner AFR-250S, a dual radio over fiber receiver in your hand! New filter available to secure your reception! Clean your bag! RX, TX and duplex over fiber Custom Optical fiber, connectors, inspection.Optical fiber First use of optical fiber was endoscope as it lets see inside body…Optical fiber, connectors, inspection.Radio over FiberRadio over Fiber allows to convert a RF signal to an optical one, beneficing of…Radio over Fiber