New wideband power splitters will be available soon (edit. are available now). PIM value -160dBc@2x20W meets highest requirements. Wide frequency band covers mobile communication standards from Tetra up to 5G.
Splitters do save a space on cable ladder due to clever design. Jumper cables do turn only upwards or to another side from the splitter. This method makes possible to install splitter on another side on cable ladder which leaves space for other cabling on the ladder.