The PDM-1500-S4 from RF ONE Electronics is a Power Divider with Frequency 1 to 500 MHz, Insertion Loss 1.3 dB, Isolation 18 dB, Input Power 0.5 W (Combiner), 1 W (Divider), Amplitude Balance ±0.4 dB. Tags: Module with Connectors, Wilkinson Power Divider, Lumped Element Power Divider. More details for PDM-1500-S4 can be seen below.