The R20RC-DC-2.0-Nf-100W-w18 from Raditek is a 20-way resistive splitter/combiner that operates from DC to 2 GHz. It can handle up to 100 Watts of power. The device has an insertion loss of 30 dB (Included loss due to splitting) and an isolation of over 11 dB. It is available in a module with N-Type Female connectors.