[{"title":"( 2 个子文件 8.56MB ) Quectel_Windows_USB_Drivers_for_EC21V1.0.zip","children":[{"title":"Quectel_UC20&UC15&EC20&EC21&EC25_Windows_USB_Drivers_Installation_Guide_V1.2.pdf <span style='color:#111;'> 2.14MB </span>","children":null,"spread":false},{"title":"Quectel_Windows_USB_Drivers_for_EC21&EC25_V1.0.rar <span style='color:#111;'> 6.57MB </span>","children":null,"spread":false}],"spread":true}]