The QPD4-20-500-K1-S from Qualwave is a Power Divider with Frequency 0.02 to 0.5 GHz, Insertion Loss 1 dB, Isolation 15 dB, Input Power 100 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for QPD4-20-500-K1-S can be seen below.