The QPD4-1900-5800-30-S from Qualwave is a Power Divider with Frequency 1.9 to 5.8 GHz, Insertion Loss 0.5 dB, Isolation 20 dB, Input Power 30 W, Amplitude Balance 0.3 dB. Tags: Module with Connectors. More details for QPD4-1900-5800-30-S can be seen below.