Quectel LPWA Series Hardware Design

LPWA Module Series
BG950A-GL&BG951A-GL_Hardware_Design
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2.2. Key Features
Table 4: Key Features
Features
Details
Power Supply
 Supply voltage: 2.2–4.5 V
 Typical supply voltage: 3.3 V
SMS*

Text and PDU mode

Point-to-point MO and MT

SMS cell broadcast

SMS storage: ME by default
(U)SIM Interface
Supports USIM/SIM card: 1.8 V 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, with transmission rates up to
12 MHz on USB Full-speed

Used AT command communication, data transmission, software
debugging and firmware upgrade

USB serial driver:
- Windows 7/8/8.1/10
- Linux 2.6–5.4
- Android 4.x/5.x/6.x/7.x/8.x/9.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
Debug UART:
 Used for firmware upgrade, software debugging and log output
 115200 bps baud rate by default
 The default frame format is 8N1 (8 data bits, no parity, 1 stop bit)
 Support RTS and CTS hardware flow control
Auxiliary UART:
 Used for RF calibration debugging and log output
 961200 bps baud rate by default
 The default frame format is 8N1 (8 data bits, no parity, 1 stop bit)
 Support RTS and CTS hardware flow control

Quectel LPWA Series Specifications

General

Brand	Quectel
Model	LPWA Series
Category	GSM/GPRS Modules
Language	English