User manual
GTR64  http://www.matrix.es/GTR64 
Preliminary. Subject to change without prior notice 
ncy (RF) signals between the modem and an 
xternal customer-supplied antenna. The modem is fitted with a 50Ω, FME male coaxial jack. 
3.4 Antenna Conector 
The antenna connector allows transmission of radio freque
e
Description of antenna connector parameters 
Parameter  Limit  Description 
Nominal impedance  50Ω (SWR better than 2.5:1) 
Output Power 
Watt peak (Class 4) 1 Watt 
peak (Class 1) 
Extended GSM900 GSM1800 
Static Sensitivity 
Better than –102dBm Better 
than –102dBm  Extended GSM900 GSM1800 
.5. SIM card reader 
he GTR64 Terminal is fitted with a SIM card reader designed for 1.8V and 3V SIM cards. It is the flip-
p type which is lockable in the horizontal position and is accessed through a removable panel as shown 
operation of the GTR64 relies on a SIM card being inserted.. Some GTR64 functionality may be 
st if you try to operate the control terminal without a SIM card 
The SIM card reader includes a SIM presence switch. This ensures that when a SIM card is inserted or 
removed while the GTR64 is turned ON, it will reset. 
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GTR64 Integrators Manual V.1.2  Pag. 16 










