The GS14i from GEMS Navigation is a GNSS Splitters with Frequency 1.164 to 1.616 GHz, Gain -1 to 1 dB (Nominal), 20 to 24 dB (Amplified), 9 to 11 dB (Loss Passive), Isolation 13 to 44 dB, Noise Figure 2 dB. Tags: Module With Connectors. More details for GS14i can be seen below.