WPS_RF_BANDS_2_4_GHZ  660 drivers/staging/rtl8188eu/include/wifi.h #define WPS_RF_BANDS_2_4_GHZ		0x01
WPS_RF_BANDS_2_4_GHZ  921 drivers/staging/rtl8723bs/include/wifi.h #define WPS_RF_BANDS_2_4_GHZ		0x01