The D-10300-4 from RLC Electronics is a Power Divider with Frequency 10000 to 30000 MHz, Insertion Loss 1.6 dB, Isolation 16 dB, Input Power 10 W, Amplitude Balance 0.6 dB. Tags: Module with Connectors, Microstrip Power Divider. More details for D-10300-4 can be seen below.