GT863-PY Terminal Product Description
80269ST10026a Rev. 2 - 18/03/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 8 of 51
JAMMING DETECTION and REPORT
The Telit GT863-PY offers the Jamming Detection and Report functionality, which allows the unit
to detect attempts to discontinue GSM communication by interfering with the GSM radio signal.
The “Jammed” status is reported as unsolicited message through the AT-Command interface on
the RS232 connection.
CMUX
CMUX ( Converter-Multiplexer) is a multiplexing protocol implemented in the Telit module that can
be used to send any data, SMS, fax, TCP data.
SAP (SIM Acess Profile)
The SAP feature allow the module to use the SIM of a remote SIM Server. This feature is
implemented using special AT Command on a Virtual circuit of the CMUX interface.
Multisocket
New functionality of the Telit modules, multisocket is an extension of Telit Easy GPRS feature,
which allows the user to have two contexts activated (that means two different IP address), more
than one socket connection (with a maximum of 6) and simultaneous FTP client service
The GT863-PY is compliant with the relevant parts of ETSI GSM Phase 2+ specifications (Normal
MS). Furthermore, Telit GT863-PY is certified after the full conformity assessment against 1995/5
EC and R&TTE Directive and they don’t require any further certification test effort and expense.
The Terminal GT863-PY can be used in all EU countries and in other countries where a GSM-
850/E-GSM-900/DCS-1800MHz or PCS 1900 MHz network is available.
It is necessary to insert a SIM (Subscriber Identity Module) on which the level of worldwide access
to the services of the related GSM/GPRS network depends.
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