The APD-4-052 from Quantic PMI (Planar Monolithics) is a Power Divider with Frequency 500 MHz to 2 GHz, Insertion Loss 1.5 dB, Isolation 18 dB, Input Power 7.5 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors. More details for APD-4-052 can be seen below.