The QPD4-500-18000-30-S from Qualwave is a Power Divider with Frequency 0.5 to 18 GHz, Insertion Loss 2.5 dB, Isolation 15 dB, Input Power 30 W, Amplitude Balance ±0.8 dB. Tags: Module with Connectors. More details for QPD4-500-18000-30-S can be seen below.