We have 4 of these Mini-Circuits power splitter-combiners for sale. Model number ZAPD-50W, 4.2 to 6.0 Ghz, minimum 16 db isolation, no more than 4 db insertion-loss, no more than 5 degrees phase unbalance, N female chassis connectors $US60 each plus exact shipping, as they are a bit heavy and do not qualify for our flat-rate shipping.