Specifications

Table Of Contents
SIM7912&SIM7906 Hardware Design V1.02
www.simcom.com 13 / 85
Support downlink QPSK, 16-QAM and 64-QAM and **256-QAM
modulation
Support 1.4MHz to 60MHz (3×CA) RF bandwidth
Support 4×4 MIMO in DL direction
FDD: Max 600Mbps (DL)/150Mbps (UL)
TDD: Max 430Mbps (DL)/90Mbps (UL)
Antenna
Main antenna interface (ANT_MAIN)
Rx-diversity antenna interface (ANT_DIV)
MIMO antenna interfaces (ANT_MIMO1, ANT_MIMO2)
GNSS antenna interface (ANT_GNSS)
Network Indication
Two pins (NET_MODE and NET_STATUS) to indicate network
connectivity status
GNSS Features
GNSS engine: GPS/GLONASS/BeiDou/Galileo
Protocol: NMEA
SMS
Text and PDU mode
Point to point MO and MT
SMS cell broadcast
SMS storage: ME by default
SIM interface
Support identity card: 1.8V/ 3.0V
Include SIM1 and SIM2 interfaces
Support Dual SIM single standby
PCIe interface
Comply with PCI Express Specification Revision 2.1 and support
5Gbps per lane
Used for data transmission
UART interface
Support up to three UART
Data rate up to 4 Mbps
I2C interface
Support I2C
Data rate up to 400 Kbps
PCM interface
Used for audio function with external codec
Support 16-bit linear data format
Support long frame synchronization and short frame synchronization
Support master and slave modes, but must be the master in long
frame synchronization
SDIO interface
Support 4bit SD card or 4bit eMMC, meet SDIO3.0 specification
1.8V or 3.0V dual-voltage operation for SD card
Data rate up to 200Mbps
USB interface
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
Firmware upgrade
Firmware upgrade over USB2.0 interface
Physical characteristics
Size: 39.5mm*37mm*2.8mm
Weight: Almost 8.38 g