- 31 -
choose preferred mode.
SIM interface
Supported SIM card: 1.8V ,3V
Audio features
Speech codec modes:
Half Rate (ETS 06.20)
Full Rate (ETS 06.10)
Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
Echo suppression
External antenna
Connected via 50 Ohm antenna connector or antenna pad.
Two serial interfaces
Serial Port 1 Seven lines on Serial Port Interface
Serial Port 1 can be used for CSD FAX, GPRS service and send
AT command of controlling module.
Serial Port 1 can use multiplexing function, but you can not use the Serial
Port 2 at the same time;
Autobauding supports baud rate from 1200 bps to 115200bps.
Serial port 2 Two lines on Serial Port Interface /TXD and /RXD
Serial Port 2 only used for transmitting AT command.
Phonebook management
Supported phonebook types: SM, FD, LD, RC, ON, MC
SIM Application Toolkit
Supports SAT class 3, GSM 11.14 Release 98
Real time clock
Implemented
Timer function
Programmable via AT command
Firmware upgrade
Firmware upgradeable over serial interface
