The CPDC4X1 from GPS Networking is a Power Divider with Frequency 1.1 to 1.7 GHz, Insertion Loss 7.5 to 9.5 dB, Isolation 20 dB, Amplitude Balance 1 dB, Phase Balance 1 Degrees. Tags: Module with Connectors, Combiner. More details for CPDC4X1 can be seen below.