Manuel D’UtilisationTable des matièresUSR-GM3/GM3s User Guide1Quick Start31.1. Testing environment31.2. Transmission42. Introduction62.1. Short Description62.2. Characteristic62.3. Features62.4. Application Field73. Hardware83.1. Pin Description83.1.1. Outside View83.1.2. Pin Assignment(Top)83.1.3. PCB Layout83.1.4. Pin Description93.1.5. Outside Antenna113.2. Hardware Block Diagram114. Module Functions114.1. Work Mode124.1.1. Switching Work Mode124.1.2. Network transmission124.1.3. HTTPD Function204.1.4. SMS Message Transmission234.2. Register Package274.2.1. Description284.2.2. Usage284.3. Heart Beat Package294.3.1. Description304.3.2. Usage304.4. UART314.4.1. RS485324.4.2. Similar RFC2217325. Parameters Setting335.1. Operating AT command345.2. AT Command Format355.3. AT Command Set37Appendix A: Contact54Appendix B: Disclaimer55Appendix C: Update History55Taille: 1,9 MoPages: 57Language: EnglishOuvrir le manuel