L-Band Fiber Optic Transmitter The FILT-S3A-2050-8/12/16 series of fiber optic transmitters allow the operator to distribute DTH/DBS signals from a single satellite dish to multiple locations via single mode fiber. The transmitter is available in 8, 12, and 16 output versions to accommodate a variety of MDU topologies. The unit features automatic gain control (AGC) on the satellite input to help ensure optimum input levelswith changes in weather. The transmitter is equipped with two LED indicators, one for power on (green) and the other for a low RF input alarm (red). For remote monitoring.