The PD1575M20B4W1PS-01 from Dyne Tech is a Power Divider with Frequency 1.565 to 1.585 GHz, Insertion Loss 6.7 dB, Isolation 20 dB, Amplitude Balance 0.5 dB, Operating Temperature -10 to 60 Degree C. Tags: Module with Connectors. More details for PD1575M20B4W1PS-01 can be seen below.