SAMBA 55/56
VERSION 1.03
For Data Operation:
USB serial link
remote control by AT commands (GSM 07.07
and 07.05)
baud rate from 300 up to 115,200 bits/s
USB:
Full USB and USB 2 compatibility
Firmware upgrade:
Over USB interface and SIM interface.
2.2.6 Power
consumption
Average current (in mA at 5 V ± 5%):
900 1800 MHz
GSM band
57
57
mA in idle mode (base station sends at -85 dBm)
195 143
mA
in transmit mode at power level 7/3
GSM
232 166
mA
in transmit mode at power level 5/0
(maximum)
GPRS
423
mA
in receive/transmit mode at maximum
power level 5 (3 x down2 x
upstream using Coding Scheme: CS-4)
Table 1:
The average power consumption at 5V ± 5%
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.
2.3 Air interface of the SAMBA GSM/GPRS part
Test conditions:
All measurements have been performed at T
amb
= 25 °C, V
Input power
= 5 V.
The reference points used on SAMBA are internal contacts.
Parameter
Min
Typ
Max
Unit
E-GSM
900
880
915
MHz
GSM 900
1710
1785
MHz
Frequency range
Uplink (MS
→
BTS)
Frequency range
Downlink (BTS
→
MS)
GSM
1800
1850
1910
MHz
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
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