 8-way Tx hybrid combiner, 520-750 MHz, freq. spacing 5MHz MIn.>50dB port isolation. 50W per port / The TXCOM-520-720-8 hybrid combiner allows you to combine multiple transmitters at frequency spacing that are to close to be practicable for cavity/ferrite combiners, these combiners can come in  2, 3, 4, 6 and 8 sets while maintaining insertion loss of <3.5dB.