BF21 4G通讯模块

-模块==“Modul_SIM v1”-打印外壳==“Carcasa_SIM v3”-等轴测装配视图==“Ansamblu_modul_SIM”!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!尺寸公差是根据Bambulab X1 Carbon 3D打印机选择的。