The 4152-16 from Narda-MITEQ is a Power Divider with Frequency 800 MHz to 1 GHz, Insertion Loss 1.5 dB, Isolation 20 dB, Input Power 0.5 to 30 W, Amplitude Balance 0.6 dB. Tags: Module with Connectors, Reactive Power Divider. More details for 4152-16 can be seen below.