The COM04S1P-2572-S5S5 from ETL Systems is a Power Divider with Frequency 500 MHz to 2.5 GHz, Insertion Loss 1.5 to 2.5 dB, Isolation 18 dB, Input Power 5 W, Amplitude Balance 0.2 dB. Tags: Module with Connectors. More details for COM04S1P-2572-S5S5 can be seen below.