Neoway G2 Series - Overview

G2 & G7A
Commands Manual
Copyright © Neoway Technology Co., Ltd
1
1 Overview
G2 and G7A Global Navigation Satellite System (GNSS) receivers are compatible with the NMEA 0183
standard. They support NMEA 0183 version 4.1 by default and are compatible with version 2.3 and
3.X. NMEA 0183 V4.0 and versions earlier than V2.3 are supported by sending commands.
Data is transmitted in serial asynchronous form. The first bit is a start bit, followed by data bits. Least
significant bit first is shown in Figure 1-1.
Figure 1-1 Data transmission mode
D0
D1
D2
D3
D4
D5
D6
D7
Start bit
Data bit
Stop bit
The following parameters are used:
Table 1-1 Parameters used in data transmission
Baud rate (bps)
4800, 9600, 19200, 38400, 57600, 115200
Data bit
8 bit
Stop bit
1 bit
Checksum
None