Power Consumption; Air Interface Of The Samba Gsm/Gprs Part - FALCOM SAMBA 55 User Manual

SAMBA 55/56
For Data Operation:
USB:
Firmware upgrade:

2.2.6 Power consumption

GSM
GPRS
Table 1: The average power consumption at 5V ± 5%
Coding scheme
CS-1:
CS-2:
CS-3:
CS-4:
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
The reference points used on SAMBA are internal contacts.
Parameter
Frequency range
Uplink (MS → BTS)
Frequency range
Downlink (BTS → MS)
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USB serial link
remote control by AT commands (GSM 07.07
and 07.05)
baud rate from 300 up to 115,200 bits/s
Full USB and USB 2 compatibility
Over USB interface and SIM interface.
Average current (in mA at 5 V ± 5%):
900 1800 MHz
57 57
mA in idle mode (base station sends at -85 dBm)
195 143
mA
232 166
mA
in receive/transmit mode at maximum
423 mA
upstream using Coding Scheme: CS-4)
1 Timeslot
9.05 kbps
13.4 kbps
15.6 kbps
21.4 kbps
E-GSM
900
GSM 900
GSM
1800
GSM band
in transmit mode at power level 7/3
in transmit mode at power level 5/0
(maximum)
power level 5 (3 x downstream +2 x
2 Timeslots
18.1 kbps
26.8 kbps
31.2 kbps
42.8 kbps
= 25 °C, V
amb
Min Typ
880
1710
1850
VERSION 1.03
4 Timeslots
36.2 kbps
53.6 kbps
62.4 kbps
85.6 kbps
= 5 V.
Input power
Max Unit
915 MHz
1785 MHz
1910 MHz
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