User manual
GTR64  http://www.matrix.es/GTR64 
6.3. SIM card precautions .......................................................................................................... 26 
6.4. Antenna precautions ........................................................................................................... 26 
6.5. Radio Frequency (RF) exposure and SAR .............................................................................. 26 
6.6. Personal Medical Devices..................................................................................................... 27 
7. INSTALLATION OF THE MODEM ............................................................................................................... 27 
7.1 Where to install the modem.................................................................................................. 27 
7.1.1 Environmental conditions......................................................................................................................... 27 
7.1.2 Signal strength.......................................................................................................................................... 27 
7.1.3 Connections of components to GTR64 Terminal...................................................................................... 28 
7.1.4 Network and Subscription ........................................................................................................................ 28 
7.2 How to install the modem..................................................................................................... 28 
7.2.1 Power supply............................................................................................................................................28 
7.2.2 Securing the modem ................................................................................................................................. 28 
7.3 Antenna.............................................................................................................................. 28 
7.3.1 General..................................................................................................................................................... 28 
7.3.2 Antenna type............................................................................................................................................. 29 
7.3.3 Antenna placement ................................................................................................................................... 29 
7.3.4 The antenna cable..................................................................................................................................... 29 
7.3.5 Possible communications disturbances.................................................................................................... 29 
7.4 Accessories ......................................................................................................................... 29 
8. DISPOSAL OF OLD ELECTRICAL & ELECTRONIC EQUIPMENT (WEEE MARK)......................... 33 
9. ABBREVIATIONS ............................................................................................................................................. 33 
10. AT COMMAND SUMMARY.......................................................................................................................... 34 
GTR64 Integrators Manual V.1.2  Pag. 4 
Preliminary. Subject to change without prior notice 










