The APD-2-100M18G-CD-1 from PMI RF is an 2-way power divider that operates from 0.1 to 18 GHz. It can handle up to 25 watts of power and provides an insertion loss of under 3.5 dB and an isolation of over 6 dB between ports. The power divider has a low VSWR and is available in a module that measures 3.75 x 1.0 x 0.4 inches.