RTL8723BE-VB-CG RTL8723BS RTL8723BS-VB RTL8723BS-VB-CG RTL8723BS-VC-CG RTL8723BS-VD-CG RTL8723BS-VQ0-CG RTL8723BS-VQ-CG RTL8723BS-VQ-CG QFN68 RTL8723BU