用户手册目录Section One - Introduction1Section Two - Installation1Section Three - AT Command Set7Section Four - S Registers13Section Five - Result Codes15Section Six - Troubleshooting15Section Seven - Support and Service17Appendix A - Specifications17Appendix B - Speaker Type Selection18Appendix C - Notices18文件大小： 60.8 KB页数： 23Language: English打开用户手册
