2 Feb 2006. L-Band Combiner Switch. Installation and Operation .. On the RX-side, one of the two antenna systems feed a splitter. The splitter outputs. L-band Splitter 2-way model: COM02L1P-2505. L-band Splitter / L-band Combiner - Passive 2-way with LNB bias feed on the common port. L-band Splitter 4-way model: COM04L1P-2524 - ETL Systems.