The QPD4-400-4000-30-S from Qualwave is a Power Divider with Frequency 0.4 to 4 GHz, Insertion Loss 1.6 dB, Isolation 20 dB, Input Power 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors. More details for QPD4-400-4000-30-S can be seen below.