The APD-4-218 from Quantic PMI (Planar Monolithics) is a Power Divider with Frequency 2 to 18 GHz, Insertion Loss 1.5 to 2.4 dB, Isolation 18 dB, Input Power 7.5 W, Amplitude Balance 0.5 to 0.9 dB. Tags: Module with Connectors. More details for APD-4-218 can be seen below.