
WA_DEV_FEX20_UGD_002 Rev 004 March 08, 2011 67
Fastrack Xtend User Guide
7.4.2.4. Power Supply
Table 52. Electrical Characteristics
Note: The IO+GPS Expansion Card is powered once the enable pins are activated by the Sierra Wireless
Software Suite.
7.4.2.5. Extra Current Consumption from the DC-IN Source
Depending on various DC-IN voltage of Fastrack Xtend, the extra current consumption drawn by the
GPS feature and the GPS active antenna will be different.
Table 53. Extra Current Consumption from DC-IN Source (Typical)
Extra Current Consumption for Additional
Feature (mA)
GPS Enable with GPS
antenna bias ON
GPS Enable with GPS
antenna bias ON
GPS Enable with GPS
antenna bias OFF
7.4.2.6. GPS Receiver Frequency
Table 54. GPS Receiver Frequency
7.4.2.7. External Antenna
The external antenna is connected to the Expansion Card’s GPS via the MMCX connector.
The external antenna must fulfill the characteristics listed in the table below.
Table 55. External Antenna Characteristics
1.57542GHz ± 1.023MHz (L1-Band)
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