The QPD4-300-18000-30-S from Qualwave is a Power Divider with Frequency 0.3 to 18 GHz, Insertion Loss 5.9 dB, Isolation 18 dB, Input Power 30 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors. More details for QPD4-300-18000-30-S can be seen below.