The 4901.17.A from HUBER+SUHNER is a Power Divider with Frequency DC to 2 GHz, Insertion Loss 6 dB, Isolation 6 dB, Input Power 1 W, Amplitude Balance 0.1 to 0.3 dB. Tags: Module with Connectors, Resistive Power Divider. More details for 4901.17.A can be seen below.