The QPD4-4000-18000-20-S from Qualwave is a Power Divider with Frequency 4 to 18 GHz, Insertion Loss 2 dB, Isolation 17 dB, Input Power 20 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors. More details for QPD4-4000-18000-20-S can be seen below.