The PD0801000400GA from Sainty-Tech Communications Limited is a Power Divider with Frequency 1 to 4 GHz, Insertion Loss 1 to 1.2 dB, Isolation 20 to 22 dB, Input Power 30 W, Amplitude Balance ±0.4 dB. Tags: Module with Connectors. More details for PD0801000400GA can be seen below.