The QPD4-400-500-10-S from Qualwave is a Power Divider with Frequency 0.4 to 0.5 GHz, Insertion Loss 0.7 dB, Isolation 20 dB, Input Power 10 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors. More details for QPD4-400-500-10-S can be seen below.