Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 61 / 106
4 GNSS Receiver
4.1. General Description
BG95 includes a fully integrated global navigation satellite system solution that supports Gen9 VT of
Qualcomm (GPS, GLONASS, BeiDou, Galileo and QZSS).
The module supports standard NMEA-0183 protocol, and outputs NMEA sentences at 1 Hz data update
rate via USB interface by default.
By default, BG95 GNSS engine is switched off. It has to be switched on via AT command. For more
details about GNSS engine technology and configurations, see document [3].
4.2. GNSS Performance
The following table shows the GNSS performance of BG95 series module.
Table 30: GNSS Performance
Parameter
Description
Conditions
Typ.
Unit
Sensitivity
(GNSS)
Cold start
Autonomous
-146
dBm
Reacquisition
Autonomous
-157
dBm
Tracking
Autonomous
-157
dBm
TTFF
(GNSS)
Cold start
@ open sky
Autonomous
35
s
XTRA enabled
10.4
s
Warm start
@ open sky
Autonomous
23
s
XTRA enabled
1.53
s