Gnss; Gnss Performance - Quectel SC20-A User Manual

5

GNSS

SC20 module integrates a Qualcomm IZat™ GNSS engine (GEN 8C) which supports multiple positioning
and navigation systems including GPS, GLONASS and BeiDou. With an embedded LNA, the module
provides greatly improved positioning accuracy.

5.1. GNSS Performance

The following table lists the GNSS performance of SC20 module in conduction mode.
Table 5: GNSS Performance
Parameter
Sensitivity (GNSS)
TTFF (GNSS)
Static Drift (GNSS)
SC20-A_Manual_R1.0
Description
Cold start
Reacquisition
Tracking
Cold start
Warm start
Hot start
CEP-50
Confidential / Released
Typ. Unit
-146 dBm
-158 dBm
-160 dBm
32 s
30 s
2 s
6 m
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