The QPD4-18000-40000-20-K from Qualwave is a Power Divider with Frequency 18 to 40 GHz, Insertion Loss 1.5 dB, Isolation 16 dB, Input Power 20 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors. More details for QPD4-18000-40000-20-K can be seen below.