Debug UART:
⚫ Used for RF calibration and SFP log output.
⚫ Baud rate: 921600 bps by default
⚫ Default frame format: 8N1 (8 data bits, no parity, 1 stop bit)
⚫ Supports RTS and CTS hardware flow control
GNSS UART (Only BG951A-GL):
⚫ Used for GNSS data and GNSS NMEA sentence output, and GNSS
firmware upgrade
⚫ Baud rate: 115200 bps by default
BG950S-GL:
Main UART:
⚫ Used for AT command communication and data transmission
⚫ Baud rate: 115200 bps by default
⚫ Default frame format: 8N1 (8 data bits, no parity, 1 stop bit)
⚫ Supports RTS and CTS hardware flow control
DM UARTs:
⚫ Used for firmware upgrade, software debugging, RF calibration, log
output, GNSS data and NMEA sentence output.
⚫ Baud rate: 115200 bps by default
⚫ Default frame format: 8N1 (8 data bits, no parity, 1 stop bit)
⚫ Support RTS and CTS hardware flow control