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WA_DEV_FEX20_UGD_002
Rev 002
April 26, 2010
87
12. Power Consumption
The following sub-sections details out the power consumption values of the Fastrack Xtend for various
modes and RF bands. These consumption values were obtained by performing measurements on
Fastrack Xtend samples at a temperature of 25°C using a 3V SIM card.
Note:
For FXT002 power consumption, the software version used is R74.
For FXT003 power consumption, the software version used is R74a.
Refer to document [15] Firmware Upgrade Procedure for details on how to upgrade Fastrack Xtend
firmware.
Table 61: Initial Power Consumption (Typical)*
Configuration
Power Consumption
With DC-IN
10mA @ 13.2V
With Battery Accessory
35mA @ 3.6V
*
Measurement based on FXT002
The table above lists the power consumption of the Fastrack Xtend when power supply (DC-IN or
battery accessory) is initially applied to it with no serial port, LED ON nor SIM card.
12.1. Various Operating Modes
The power consumption levels of the Fastrack Xtend vary depending on the operating mode used.
Refer to the table below for the different kinds of operating modes available. Refer to Appendix 3.1 of
document [7] Firmware 7.4a AT Commands Manual (Sierra Wireless Software Suite 2.31)/Firmware
7.4 AT Commands Manual (Sierra Wireless Software Suite 2.30) for the working mode description.
Table 62: Fastrack Xtend Operating Modes
Operating Mode
Description
GSM Connected Mode
The Fastrack Xtend is connected to a live GSM network, during circuit switch
voice or data call.
Transfer Mode
The Fastrack Xtend has GPRS data transfer connection with a live network,
during packet data transmission.
Active mode with GSM stack
in Idle
When the RF function is active and the Fastrack Xtend is synchronized with the
network, but there is currently no communication.
Sleep mode with GSM stack
in Idle
When the RF function is disabled but is regularly activated to remain
synchronized with the network.
This mode only works when the DTE sends an AT command to shut the serial
link down (DTE turns DTR to inactive state).
Active Mode
When the RF function is disabled and there is no synchronization with the
network but the UART is available.
Sleep Mode
When the RF function is disabled, and there is no synchronization with the
network and the UART is not available.
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