The 803-4-0.900 from MECA is a Power Divider with Frequency 600 to 1200 MHz, Insertion Loss 0.3 to 0.4 dB, Isolation 20 to 40 dB, Input Power 20 W, Amplitude Balance 0.2 dB. Tags: Module with Connectors. More details for 803-4-0.900 can be seen below.