Telit Mobile Terminals S.p.A. SAT551 Manuel D’Utilisation

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GSM external antenna (optional) 
 
An external antenna can be used to improve the telephone’s performance 
in GSM 900 MHz mode. This antenna must be connected via the TNC type 
connector, on the rear of the cradle, marked with a small black square.  
 
Data connector 
 
A serial RS232, 9–pin port is provided on the cradle. Laptop computers 
can be connected to this port for sending and receiving data and faxes.  
This type of connecting wire is not included in the car kit.  
 
Note: Data and fax transmitting depends on the network and type of 
subscription used. Consult your service provider for information as 
to the means by which these services are provided.