i wants to make a power divider

what about buying a power divider as it's not expensive?

very simple way is to do a power splitter from rectangle aluminium profile as outer conductor and copper tube as inner conductor. use n connector on one side and e.g. 3 n connector on other side .. exact dimensions you can calculate e,g, with appcad from agilent (free). these types of divider works for me for many years without any proble handling even very high power (1kw++) see attached article from hamradio newsletter

What about power divider by 4 on PCB for ISM 2g4 band ?

Any project, solution ?