RF_SWITCH_2_4_GHZ_ON should turn PD4 low not high to active the 2.4 GHz radio. The same goes for RF_SWITCH_SUB_GHZ_ON on PD3.
RF_SWITCH_2_4_GHZ_ON should turn PD4 low not high to active the 2.4 GHz radio. The same goes for RF_SWITCH_SUB_GHZ_ON on PD3.