The QPD4-500-4000-K1-S from Qualwave is a Power Divider with Frequency 0.5 to 4 GHz, Insertion Loss 3.8 dB, Isolation 18 dB, Input Power 100 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for QPD4-500-4000-K1-S can be seen below.