LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design
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(U)SIM Interface
Supports 1.8 V (U)SIM card only
Audio Features
Supports one digital audio interfaces: PCM and I2C
LTE: VoLTE
*
under LTE Cat M1
PCM Interface
*
Support one digital audio interface: PCM interface for VoLTE
*
only
Used for audio function with external codec
I2C Interface
*
One I2C interface
Multi-master mode is not supported
USB Interface
*
Compliant with USB 2.0 specifications
Used AT command communication, data transmission, software
debugging and firmware upgrade
USB serial driver:
-
Windows 7/8/8.1/10
-
Linux 2.6–5.12
-
Android 4.x/5.x/6.x/7.x/8.x/9.x/10.x/11.x system
UART Interfaces
Main UART:
Used for AT command communication and data transmission
Baud rate: 115200 bps baud by default
The default frame format is 8N1 (8 data bits, no parity, 1 stop bit)
Supports RTS and CTS hardware flow control
CLI UART:
Used for firmware upgrade, software debugging, log output, GNSS data
and NMEA sentences output
115200 bps baud rate by default
The default frame format is 8N1 (8 data bits, no parity, 1 stop bit)
Supports RTS and CTS hardware flow control
Debug UART:
Used for RF calibration and log output
961200 bps baud rate by default
The default frame format is 8N1 (8 data bits, no parity, 1 stop bit)
Supports RTS and CTS hardware flow control
CLI/GNSS UART:
Used for GNSS data and NMEA sentences output
115200 bps baud rate by default
Network Indication
NET_STATUS to indicate network connectivity status.
AT Commands
3GPP TS 27.007
and
3GPP TS 27.005
AT commands
Quectel enhanced AT commands
Antenna Interface
Main antenna interface (ANT_MAIN)
GNSS antenna interface (ANT_GNSS)
50 Ω impedance
Transmitting Power
Class 3 (23 dBm ± 2.7 dB) for LTE HD-FDD bands
LTE Features
Support 3GPP Rel-14
*
Supports LTE Cat M1 and LTE Cat NB1/NB2
*
