MEIG SLM156 - GNSS Receiver; General Description; GNSS Performance

MeiG_SLM156_Hardware Design Manual
MeiG Smart Technology Co., Ltd
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4 GNSS Receiver
4.1 General Description
SLM156 includes an integrated embedded GNSS solution that supports Gen8C-Lite (GPS, GLONASS,
BeiDou).
SLM156 module supports standard NMEA-0183 protocol, and outputs NMEA sentences with 1Hz via
USB interface by default.
4.2 GNSS Performance
The following table shows SLM150 GNSS performance.
Table 19 GNSS performance
Parameter
Description
Performance index
Positioning accuracy (open)
Horizon
TBD
Altitude
TBD
Speed accuracy
Speed
TBD
First positioning time TTFF
Cold start
TBD
Warm start
TBD
Hot start
TBD
Sensitivity
Capturing
TBD
Tracking
TBD
Serial output baud rate
300bit/s~230400bit/s
GPS receiving
12 channel, GPS L1(1575.42MHz), C/A code
Data update rate
1Hz
Data format
NMEA 0183