The MIL-HIALDCBS1X4 from GPS Networking is a GNSS Splitters with Frequency 1.1 to 1.7 GHz, Gain 1.5 to 4.5 dB, Isolation 40 to 50 dB, Noise Figure 3.6 dB (L1), 6 dB (L2). Tags: Module With Connectors, DC Blocked Splitter. More details for MIL-HIALDCBS1X4 can be seen below.