The QPD4-4000-12000-20-S from Qualwave is a Power Divider with Frequency 4 to 12 GHz, Insertion Loss 1.2 dB, Isolation 18 dB, Input Power 20 W, Amplitude Balance ±0.2 dB. Tags: Module with Connectors. More details for QPD4-4000-12000-20-S can be seen below.