The 50PD-903 SMA from JFW Industries is a 4-way Power Divider/Combiner that operates from 1 to 18 GHz. It can handle an RF input power of 5 W (divider ports) and 0.25 W (combiner ports), provides more than 20 dB of isolation and has an insertion loss of 2.1 dB. This power divider/combiner has amplitude tracking of ±0.4 dB and a phase tracking of ±5°. It measures 99.0 x 71.0 x 10.0 mm and has SMA-female connectors.