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MTX MTX-3G-JAVA-IoT - 4.14.3 GPS Antenna Interface Characteristics

MTX MTX-3G-JAVA-IoT
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MTX-xG-JAVA-IoT Family
www.mtxm2m.com 2017/07 v1.2 Page 72/105
MTX M2M® by MATRIX ELECTRONICA S.L.U
4.14.3 GPS antenna interface characteristics
Depending on the receiver’s knowledge of last position, current time and ephemeris data, the
receiver’s startup time (TTFF) may vary: if the receiver has no knowledge of its last position or time, a
startup takes considerably longer than if the receiver has still knowledge of its last position, time and
almanac or has still access to valid ephemeris data and the precise time.
Parameter
Conditions
Min.
Typical
Max.
Unit
Frequency
1575
1575.42
1585
MHz
Tracking Sensitivity
Open sky
Active antenna or LNA
Passive antenna
-167
-162
dBm
Acquisition Sensitivity
Open sky
Active antenna or LNA
Passive antenna
-150
-145
dBm
Time-to-First-Fix (TTFF)
Hot (average at -140dBm)
<2
s
Warm (average at -140dBm)
<35
s
Cold (average at -140dBm)
<46
s

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