Quectel LTE-A Series Hardware Design page 16

USB Interface
UART Interfaces
PCIe × 1 Interface*
Rx-diversity
GNSS Features
AT Commands
Network Indication
Antenna Interfaces
Physical Characteristics
Temperature Range
Firmware Upgrade
RoHS
EG18_Hardware_Design
Support master and slave modes, but must be the master in long frame
synchronization
Comply with USB 3.0 and 2.0 specifications, with maximum transmission
rates up to 5Gbps on USB 3.0 and 480Mbps on USB 2.0
Used for AT command communication, data transmission, firmware
upgrade, software debugging, GNSS NMEA sentence output, and voice
over USB*
Support USB serial drivers for: Windows 7/8/8.1/10; Linux 2.6/3.x/4.1~4.15;
Android 4.x/5.x/6.x/7.x/8.x/9.x
Main UART interface:
Used for AT command communication and data transmission
Baud rate reaches up to 921600bps, 115200bps by default
Support RTS and CTS hardware flow control
Debug UART interface:
Used for Linux console and log output
115200bps baud rate
BT UART interface:
Used for Bluetooth communication and can be multiplexed into SPI
interface*
115200bps baud rate
Comply with PCI Express Specification Revision 2.1 and support 5Gbps
per lane
Used for data transmission
Support LTE/WCDMA Rx-diversity and LTE HO-diversity
Gen9HT-Lite of Qualcomm
Protocol: NMEA 0183
Comply with 3GPP TS 27.007 and 27.005, and Quectel enhanced AT
commands
Two pins (NET_MODE and NET_STATUS) to indicate network connectivity
status
Main antenna interface (ANT_MAIN)
Rx-diversity antenna interface (ANT_DIV)
Two MIMO antenna interfaces (ANT_MIMO1, ANT_MIMO2)
GNSS antenna interface (ANT_GNSS)
Size: (37.0± 0.15)mm × (39.5± 0.15)mm × (2.8± 0.20)mm
Weight: approx. 9.0g
Operation temperature range: -30° C~ +70° C
Extended temperature range: -40° C~ +85° C
Storage temperature range: -40° C ~ +90° C
USB 2.0 interface and DFOTA
All hardware components are fully compliant with EU RoHS directive
LTE-A Module Series
EG18 Hardware Design
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