FALCOM TANGO55, User Manual

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TANGO55/i & TANGO56/i User's Manual Version 1.05
application layers). The embedded software
interface that runs on TANGO55i/56i modems for
establishing internet connectivity using IP
commands. TCP/IP software description is also
available, see related documents [
0.3 ].
Coding scheme 1 Timeslot 2 Timeslots 4 Timeslots
CS-1: 9.05 kbps 18.1 kbps 36.2 kbps
CS-2: 13.4 kbps 26.8 kbps 53.6 kbps
CS-3: 15.6 kbps 31.2 kbps 62.4 kbps
CS-4: 21.4 kbps 42.8 kbps 85.6 kbps
Table 2: Coding schemes and maximum net data rates over air interface
Please note that the values listed above are the maximum ratings which, in practice,
are influenced by a great variety of factors, primarily, for example, traffic variations
and network coverage.
2.2 Power consumption for TANGO55, only
POWER CONSUMPTION
Min Typ. Max Unit Description
GSM/GPRS engine
Supply voltage 10.8 12 31.2 V
Voltage must stay within the min/max values, including
voltage drop, ripple and spikes.
Average supply current
GSM
16 mA SLEEP mode
MODE BAND (TANGO55/i, only)
32
32
mA IDLE mode
EGSM 900
GSM 1800/1900
146
115
mA TALK mode
EGSM 900 *)
GSM 1800/1900 **)
GPRS
32
32
mA IDLE GPRS
EGSM 900
GSM 1800/1900
153
113
mA
DATA mode GPRS,
(4 Rx, 1 Tx) EGSM 900 *)
GSM 1800/1900 **)
227
169
mA
DATA mode GPRS,
(3 Rx, 2 Tx) EGSM 900 *)
GSM 1800/1900 **)
Table 3: Power supply
*) Power Control Level (PCL 5).
**) Power Control Level (PCL 0).
2.3 Operating temperatures
Parameter Min Typ. Max Unit
Ambient temperature (according to GSM 11.10) -20 25 50 °C
Restricted operation *) -25 to -20 55 to 70 °C
Automatic shutdown
TANGO55/i and TANGO56/i board temperature -29 °C >70 °C
°C
Table 4: Operating temperature
*) TANGO55/i and TANGO56/i work, but deviations from the GSM specification may occur.
2.4 Air interface of the TANGO55 GSM/GPRS engine, only
Test conditions:
All measurements have been performed at T
amb
= 25 °C, V
VIN
typ. = 12 V DC.
Parameter Min Typ. Max Unit
This confidential document is a property of FALCOM and may not be copied or circulated without previous permission.
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