Specifications

Table Of Contents
Cinterion
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ALAS5V Hardware Interface Description
3.1 GNSS Interface Characteristics
67
ALAS5V_HID_v00.030a 2019-03-20
Confidential / Preliminary
Page 66 of 124
3.1 GNSS Interface Characteristics
The following tables list general characteristics of the GNSS interface.
Table 19: GNSS properties
Parameter Conditions Min. Typical Max. Unit
Frequency
GPS 1575 1575.42 1585 MHz
GLONASS 1597 1602 1607
Beidou
1
1. Conditions and measurements not yet finalized.
-- -- --
Galileo 1597 1575.42 1585
Tracking Sensitivity Open sky
Active antenna or LNA
2
Passive antenna:
GPS
GLONASS
Beidou
1
Galileo
2. Only measured for GPS.
-159
-156
-154
--
-150
dBm
Acquisition Sensitivity Open sky
Active antenna or LNA
2
Passive antenna:
GPS
GLONASS
Beidou
1
Galileo
-149
-145
-140
--
-140
dBm
Cold Start sensitivity GPS -145 dBm
GLONASS -140
Beidou
1
--
Galileo -140
Time-to-First-Fix (TTFF)
Cold 25 32 s
Warm 10 29 s