TANGO55/
I
& TANGO56/
I
V
ERSION
1.03
interface that runs on TANGO55i/56i modems for
establishing internet connectivity using IP
commands. TCP/IP software description is also
available, see related documents [
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
60
µA
POWER DOWN mode
9
mA
SLEEP mode @ DRX = 6
MODE
BAND (TANGO55/i, only)
15
mA
IDLE mode
EGSM 900
15
GSM 1800/1900
250
EGSM 900
*)
GSM
170
mA
TALK mode
GSM 1800/1900
**)
15
EGSM 900
15
mA
IDLE GPRS
GSM 1800/1900
290
EGSM 900
*)
220
mA
DATA mode GPRS,
(4 Rx, 1 Tx)
GSM 1800/1900
**)
440
EGSM 900
*)
GPRS
310
mA
DATA mode GPRS,
(3 Rx, 2 Tx)
GSM 1800/1900
**)
Peak supply current.
1,6
A
Power control level
*)
During transmission slot every 4.6 ms.
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.
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
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