The QPD4-100-400-30-S from Qualwave is a Power Divider with Frequency 0.1 to 0.4 GHz, Insertion Loss 1 dB, Isolation 20 dB, Input Power 30 W, Amplitude Balance ±0.3 dB. Tags: Module with Connectors. More details for QPD4-100-400-30-S can be seen below.