The CWC-CA327-00441R from ECore is a CWDM Passive Filter with 16 CWDM Channels. The ECore CWC-CA327-00441R is a 1RU 19" Rack Mount filter with Combo Mux & DeMux functionality. The CWC-CA327-00441R has 16 channels: 1271, 1291, 1311, 1331, 1351, 1371, 1431, 1451, 1471, 1491, 1511, 1531, 1551, 1571, 1591, and 1611nm (skipping 1391 and 1411nm) starting with 1271nm and with 20nm spacing. The ECore CWC-CA327-00441R has LC/UPC connectors and has Monitor port option on Mux and Demux. The ECore CWC-CA327-00441R is a dual fiber filter with one sending a muxed signal and the other receiving a composite signal for demuxing. ECore produces the highest quality passive filters that you can rely on and our products are continually in stock and ship the same-day. ShowMeCables technical support and knowledgeable sales team can get you to the right parts for the job. Order today!