About the grid size and track width of polygon pours for 2.4GHz

HI,

I recently draw a PCB for a 2.4GHz RF circuit.I have draw solid copper pours at the beginning,regarding to sheilding interference signal,i decide to draw hatech pours.I have a problem here.i don't konw the exact grid size and track width of ploygon pours for 2.4GHz.can you help me ？thx.