The AM15000PD1378 from Anatech Electronics is a 10-way power divider that operates from 12 to 18 GHz. It has an insertion loss of less than 2.2 dB with an isolation of more than 16 dB. The divider can handle up to 30 watts of CW power and has a VSWR of under 1.70:1. It is available in a module that measures 5.08 x 2.76 x 0.39 inches with SMA female connectors.