The QCH-451+ from Mini Circuits is a Power Divider with Frequency 225 to 450 MHz, Insertion Loss 0.2 to 0.3 dB, Isolation 21 to 27 dB, Input Power 200 to 250 W, Amplitude Balance ±0.25 to ±0.5 Degree. Tags: Surface Mount, Microstrip Power Divider, Stripline Power Divider. More details for QCH-451+ can be seen below.