GV300CAU
Series User Manual
1.3.
Terms and Abbreviations
Table 3.
GV300CAU
Series Terms and Abbreviations
Abbreviation
Description
AGND
Analog Ground
AIN
Analog Input
DIN
Digital Input
DOUT
Digital Output
GND
Ground
MIC
Microphone
RXD
Receive Data
TXD
Transmit Data
SPKN
Speaker Negative
SPKP
Speaker Positive
QSZTRACGV300CUM0101
3
Bluetooth
The device role of Bluetooth could be Master and Slave. When the device role is Slave, the device will
provide below services:device information service,battery information service,virtual serial port
service.Other devices can read or use these services after connecting devices. When the device role is
Master, the device will provide below services: the others devices can read or related information of the
designated Bluetooth devices. After reading the data, the server can be reported to the server by the
corresponding message.
The device's FCC ID: YQD-GV300CAU
Contains FCC ID:XMR201805EC21AU