The MIL-LDCBS1X4 from GPS Networking is a GNSS Splitters with Frequency 1.1 to 1.7 GHz, Insertion Loss -8.5 to -6.5 dB, Isolation 15 to 25 dB (L2), 22 to 25 dB (L1). Tags: Module With Connectors, DC Blocked Splitter. More details for MIL-LDCBS1X4 can be seen below.