The software is distributed under the terms of the GNU general public license.
You can redistribute it and/or modify it under the terms of the GNU general public license as published by the free software foundation, version 2 of the license. This program is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU general public license for more details. You should have received a copy of the gnu general public license along with this program. If not, see http://www.gnu.org/licenses/
To access to the gpl/lgpl code used in quectel products, you may browse the ftp directory with all the gpl code that has been used by quectel.
This ftp site is accessible via the following mechanisms:
FTP host: ftp://ftp2.quectel.com
Port: 21
Access Type: Anonymous