The LT4-544P-6G-S1 from MTS Systemtechnik GmbH is a Power Divider with Frequency 500 to 6000 MHz, Insertion Loss 0.30 to 1.90 dB, Isolation 13 to 23 dB, Input Power 1 to 40 W, Amplitude Balance 0.10 to 0.30 dB. Tags: Module with Connectors, Wilkinson Power Divider. More details for LT4-544P-6G-S1 can be seen below.