The QPD4-10-500-20-S from Qualwave is a Power Divider with Frequency 0.01 to 0.5 GHz, Insertion Loss 1.2 dB, Isolation 20 dB, Input Power 20 W, Amplitude Balance 0.4 dB. Tags: Module with Connectors. More details for QPD4-10-500-20-S can be seen below.