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SIMCom SIM7070E CAT-M/NB2

Article Number: 11021
Supplier number: S2-108H3

SIMCom SIM7070E is a Multi-Band CAT-M/NB-IoT (NB2) module solution in a SMT format for the European market.
It has strong extension capability with rich interfaces including UART, GPIO etc.

It is designed for applications that need low latency, low throughput data communication in a variety of radio propagation conditions. It is ideally suited for M2M applications, such as metering, asset tracking, remote monitoring, E-health etc.

Key Benefits
● With Power Save Mode(PSM) and Extended Discontinuous Reception(eDRX), SIM7070
can extend battery life to 10 years
● CAT-M, NB-IoT , GPRS triple mode
● The package of SIM7070E is compatible with SIM7000/SIM800F/SIM900

A good way to get started is to use the developer kit for this module 12146, SIMCom SIM7070E Development Kit.

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MIMO (Multiple-Input Multiple-Output)
No
LTE Bands
B1 (2100)
B2 (1900)
B3 (1800)
B4 (AWS)
B8 (900)
B12 (700ac)
B13 (700c)
B14 (700PS)
B18 (800lower)
B19 (800 upper)
B20 (800DD)
B5 (850)
B25 (1900)
B26 (US 850 Ext)
B27 (US 800 SMR)
B28 (700 APAC)
B31 (450)
B66 (AWS-3)
B72 (450)
B85 (700)
GSM/EDGE Bands
B5 (850)
B8 (900)
B3 (1800)
B2 (1900)
Manufacturer
SIMCom
LTE Region
Europe
Australia
Form Factor
LCC
SMT
Technology
NB-IoT
CAT-M1 (eMTC)
Antenna Interface
Pin
GPS
Yes
GNSS technology
GPS
GLONASS
BeiDou
Galileo
Max DL Speed
0.589 Mbps
Max UL Speed
1.119 Mbps
Chipset
Qualcomm
Operating Temperature Range
-40 °C – 85 °C
Driver Support
Linux
Interface
USB 2.0
Serial / UART
GPIO
I2C
ADC
SPI
GPIO
Yes
Certification
RoHS
GCF
REACH
CE RED
Size
24x24x2.3 mm
Technical details:
Note! Available bands and speeds are dependent on which mode the module is running, NB-IoT or CAT-M1. See datasheet and technical documentation for more details.

Datasheet for SIMCom SIM7070E

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Uploaded at
2019-09-18 10:22:01
Last updated
2019-09-18 10:22:01
Related products
SIMCom SIM7070E CAT-M/NB2

Hardware design guide for SIMCom SIM7070 series

Download

Uploaded at
2019-09-18 10:41:37
Last updated
2019-09-18 10:41:37
Related products
SIMCom SIM7070E Development Kit
SIMCom SIM7070E CAT-M/NB2
Question

What Linux kernel modules and configs are commonly used for communicating with cellular modules over their USB interface?

Solution

Most cellular modules can be supported in Linux by using som of the in-kernel drivers. The physical data interface to the host Linux system is usually done over USB which enumerates a set of different endpoints/interfaces. A set of serial interfaces for Modem/PPP, AT commands, NMEA location data and chipset debug information are almost always available in all configurations.

In addition some type of network endpoint/interface are also available and exposed. This can vary between manufacturers and chipset vendors and can also commonly be configurable by using USB configuration mode switching or through vendor specific AT commands.

Recommended kernel configurations to enable are listed bellow. Many cellular modules base their Linux support on these modules and drivers. Once included in the kernel build, the USB interfaces will be detected and bound correctly out-of-the-box or after applying source code patches to the driver modules.

Configs for USB serial drivers:
CONFIG_USB_SERIAL
CONFIG_USB_SERIAL_GENERIC
CONFIG_USB_SERIAL_WWAN
CONFIG_USB_SERIAL_OPTION
CONFIG_USB_SERIAL_QUALCOMM
CONFIG_USB_ACM

Configs for Modem/PPP support:
CONFIG_PPP
CONFIG_PPP_BSDCOMP
CONFIG_PPP_DEFLATE
CONFIG_PPP_FILTER
CONFIG_PPP_MPPE
CONFIG_PPP_MULTILINK
CONFIG_PPPOE
CONFIG_PPP_ASYNC
CONFIG_PPP_SYNC_TTY

Configs for USB network drivers:
CONFIG_USB_USBNET
CONFIG_USB_NET_QMI_WWAN
CONFIG_USB_NET_CDCETHER
CONFIG_USB_NET_RNDIS_HOST
CONFIG_USB_NET_CDC_NCM
CONFIG_USB_NET_HUAWEI_CDC_NCM
CONFIG_USB_NET_CDC_MBIM

Please relate to the Techship product specific web pages for vendor specific Linux integration guides.

Below is a selection of kernel commits relating to cellular module support in Linux kernels:
qmi_wwan: Add support for Fibocom NL678 series
qmi_wwan: Added support for Telit LN940 series
qmi_wwan: Added support for Fibocom NL668 series
USB: serial: option: add support for GosunCn ME3630 RNDIS mode
USB: serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode
USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode)
USB: serial: option: add Fibocom NL678 series
USB: serial: option: add Telit LN940 series
USB: serial: option: add Fibocom NL668 series
USB: serial: option: add GosunCn ZTE WeLink ME3630
qmi_wwan: apply SET_DTR quirk to the SIMCOM shared device ID

If you use any of the listed cellular modules, drivers and specified USB modes in the commits above, ensure that your kernel version already include the patch or apply it to your build.

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