Voltage domain of VBAT_RF and VBAT_BB

I am designing a pcb for Quectel EC200U. It has been given to use two separate voltage domains for its VBAT_RF abd VBAT_BB pins. what if i use a single power plate of 4v with one 100uF tantallum, one 100nF and one 10F capacitor for the four pins.

Please refer to the design below: