The 50PD-591 from JFW Industries is a Power Divider with Frequency 20 MHz to 3 GHz, Insertion Loss 2.7 dB, Isolation 15 to 18 dB, Input Power 0.1 W (Combiner), 1 W (Divider), Amplitude Balance ±0.5 dB. Tags: Module with Connectors, Reactive Power Divider. More details for 50PD-591 can be seen below.