The 1515-1 from Weinschel by Spectrum Control is a Power Divider with Frequency DC to 18 GHz, Insertion Loss 7.5 dB, Input Power 1 W, Amplitude Balance 0.5 dB, Phase Balance 2 Degrees. Tags: Module with Connectors, Resistive Power Divider. More details for 1515-1 can be seen below.