UMTS/HSPA+ Module Series
UG89 Hardware Design
UG89_Hardware_Design 11 / 73
PCM Interface
Used for audio function with an external codec chip
Support 16-bit linear data format
Support short frame synchronization
Support master and slave modes
USB Interface
Compliant with USB 2.0 specification (slave only), with transmission rates up
to 480Mbps
Used for AT command communication, data transmission, software
debugging and firmware upgrade
Support USB serial drivers for:
Windows 7/8/8.1/10
Windows CE 5.0/6.0/7.0*
Linux 2.6~5.0
Android 4.x/5.x/6.x/7.x/8.x/9.x
UART Interface
UART1
Used for AT command communication and data transmission
Baud rate reach up to 1Mbps; 115200bps by default
Support RTS and CTS hardware flow control
UART2
Used for Linux console, log output
115200bps baud rate
I2C Interfaces
Compliant with I2C specification version 5.0
Multi-master is not supported
Used for codec configuration by default
AT Commands
Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT
commands
Real Time Clock
Support
Antenna Interface
GSM/UMTS antenna, 50
Ω
Physical Characteristics
Size: (25.4±0.15)mm × (27.6±0.15)mm × (2.2±0.2)mm
Package: LGA
Weight: TBD
Temperature Range
Operation temperature range: -35°C ~ +75°C
1)
Extended temperature range: -40°C ~ +85°C
2)
Storage temperature range: -40°C ~ +90°C
Firmware Upgrade
USB interface or UART interface
RoHS
All hardware components are fully compliant with EU RoHS directive