Owner's manual

UC864-E/G Product Description
80281ST10034a Rev. 1 - 08/08/2008
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 17 of 36
2.12 User Interface
The user interface is managed by AT commands specified on the ITU-T V.250, 3gpp 27.007 and
27.005 specifications.
2.12.1 Speech Coding
The UC864-E/G voice codec supports the following rates:
• WCDMA
o Adaptive Multi Rate
• GSM
o Half Rate
o Full rate
o Enhanced Full Rate
o Adaptive Multi Rate
2.12.2 SIM Reader
The UC864-E/G supports R5 and R99 3gpp TS 31.114 - USIM 1.8V and 3V ONLY with an external
SIM connector. For 5V SIM operation an external level translator can be added.
2.12.3 SMS
The UC864-E/G supports the following SMS types:
• Mobile Terminated (MT) class 0 – 3 with signaling of new incoming SMS, SIM full, SMS
read
• Mobile Originated class 0 – 3 with writing, memorize in SIM and sending
• Cell Broadcast compatible with CB DRX with signaling of new incoming SMS.
2.12.4 Real Time Clock and Alarm
The Telit UC864-E/G supports the Real Time Clock and Alarm functions through AT commands,
furthermore an alarm output pin (GPIO6) can be configured to indicate the alarm with a hardware line
output.
Furthermore the Voltage Output of the RTC power supply is provided so that a backup capacitor can
be added to increase the RTC autonomy.