User's Manual

SC20-A_Manual_R1.0 Confidential / Released 17 / 49

GNSS

5.1. GNSS Performance

Table 5: GNSS Performance

Parameter Description Typ. Unit

Sensitivity (GNSS)

Cold start -146 dBm

Reacquisition -158 dBm

Tracking -160 dBm

TTFF (GNSS)

Cold start 32 s

Warm start 30 s

Hot start 2 s

Static Drift (GNSS) CEP-50 6 m

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.

The following table lists the GNSS performance of SC20 module in conduction mode.