The 50PD-904 SMA from JFW Industries is an 8-way Power Divider/Combiner that operates from 1 to 18 GHz. It can handle an RF input power of 5 W as a divider and 0.25 W as a combiner with an insertion loss of less than 4.5 dB and more than 16 dB of isolation. This reactive power divider/combiner has amplitude tracking of ±0.4 dB and phase tracking of ±12°. It is available in a module that measures 6.14 x 4.33 x 0.39 inches and has SMA-female connectors.