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TANGO55/
& TANGO56/
I
Audio interfaces:
Audio features:
One serial interface (RS-232C):
Phonebook management:
Ringing tones:
Real time clock:
Timer function:
Support of TTY/CTM:
Software for TANGO55i/56i, only:
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I
Single antenna interface SMB or FME antenna
connector.
An analogue audio interface
RJ45 serial link (microphone and speaker)
Speech code modes:
Half Rate (ETS 06.20)
Full Rate (ETS 06.10)
Enhanced Full Rate (ETS 06.50/06.60/06.80)
Adaptive Multi Rate (AMR)
Handsfree operation
Echo cancellation
Noise reduction
2.65V level, bi-directional bus for AT commands
and data
Serial link↔full-featured 8-wire serial interface.
Supports RTS0/CTS0 hardware handshake and
software XON/XOFF flow control. Multiplex ability
according to GSM 07.10 Multiplexer Protocol.
Baud rate: 300 bps ... 230 kbps on ASC0
Autobauding detects 1200, 2400, 4800, 9600,
19200, 38400, 57600, 115200, 230400 bps
Supported phonebook types: SM, FD, LD, MC,
RC, ON, ME
Offers
tones/melodies,
command
Implemented
Programmable via AT command
To benefit from TTY communication via GSM,
CTM equipment can be connected to the audio
interface.
TCP/IP stack (Internet protocols stack which
handles the Internet's link, network, transport and
application layers). The embedded software
a
choice
of
7
easily
selectable
V
1.03
ERSION
different
ringing
with
AT
Page 16
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