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SIMCom SIM7000A CAT-M/NB-IoT mPCIe

Article Number: 10950
Supplier number: S2-107YF

The SIM7000A is a CAT-M1 (eMTC) Multi-Band LTE-FDD module solution on mPCIe card.
This module is for the North American market.

It is designed for applications that need low latency, medium throughput data communication in a variety of radio propagation conditions. Due to the unique combination of performance, security and flexibility, this module is ideally suited for M2M applications, such as metering, telematics, asset tracking, remote monitoring , E-health and mobile pos terminals.

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MIMO (Multiple-Input Multiple-Output)
No
LTE Bands
B2 (1900)
B4 (AWS)
B12 (700ac)
B13 (700c)
Manufacturer
SIMCom
LTE Region
North America
Form Factor
mPCIe - full size
mPCIe
Technology
CAT-M1 (eMTC)
Antenna Interface
IPEX MHF/U.FL
GPS
Yes
GNSS technology
GPS
GLONASS
Max DL Speed
0.3 Mbps
Max UL Speed
0.375 Mbps
Chipset
Qualcomm
MDM9206
Operating Temperature Range
-40 °C – 85 °C
Driver Support
Windows 7
Windows XP
Windows Vista
Linux
Windows 8
Interface
USB 2.0
GNSS antenna support
Passive
Active
Carrier Certification
AT&T
Certification
FCC
RoHS
GCF
REACH

Datasheet for SIMCom SIM7000A

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Uploaded at
2019-08-15 09:49:41
Last updated
2019-08-15 09:49:41
Related products
SIMCom SIM7000A CAT-M/NB-IoT mPCIe

Guide describing the technical details and parameters for the hardware of SIM7000 series miniPCIe variants

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Uploaded at
2018-11-20 10:10:35
Last updated
2019-01-21 14:06:56
Version
1.00
Related products
SIMCom SIM7000G CAT-M/NB-IoT/GSM miniPCIe
SIMCom SIM7000E CAT-M/NB-IoT PCIE
SIMCom SIM7000A CAT-M/NB-IoT mPCIe

This manual describes the AT commands valid for controlling the Simcom SIM7000 Series modules.

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Question

How can we use the Simcom SIM7000 series with ECM network interface over USB in Linux systems?

Solution

In the recent firmware releases for the Simcom SIM7000 series it is possible to take advantage of the ECM network interface type over USB in order to establish data connectivity to host system instead of using Modem/PPP protocol or QMI. This how-to FAQ shows how it can be done.

The Simcom SIM7000 series expose a set of serial and QMI/RMNET interface over USB in default configuration.
By sending command:
AT+CECMMODE=1

The USB QMI/RMNET network interface can be configured to become a ECM interface instead. If this is supported in your current firmware version the module will re-enumerate in the host system with a ECM interface.

root@linux:~# usb-devices
T: Bus=03 Lev=01 Prnt=01 Port=01 Cnt=03 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1e0e ProdID=9001 Rev=00.00
S: Manufacturer=SimTech, Incorporated
S: Product=SimTech SIM7000
S: SerialNumber=1234567890ABCDEF
C: #Ifs= 7 Cfg#= 1 Atr=e0 MxPwr=500mA
I: If#=0x0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#=0x1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#=0x2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#=0x3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#=0x4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=fe Prot=ff Driver=option
I: If#=0x5 Alt= 0 #EPs= 1 Cls=02(commc) Sub=06 Prot=00 Driver=cdc_ether
I: If#=0x6 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=cdc_ether

Activate the related network interface in Linux
(check assigned interface name e.g. in dmesg output)
root@linux:~# ip link set dev enx00a0c6047450 up

Run a DHCP client on the network interface:
root@linux:~# dhclient -v enx00a0c6047450
Listening on LPF/enx00a0c6047450/00:a0:c6:04:74:50
Sending on LPF/enx00a0c6047450/00:a0:c6:04:74:50
Sending on Socket/fallback
DHCPREQUEST for 192.168.225.20 on enx00a0c6047450 to 255.255.255.255 port 67 (xid=0x301a9d68)
DHCPACK of 192.168.225.20 from 192.168.225.1 (xid=0x689d1a30)
bound to 192.168.225.20 -- renewal in 16549 seconds.

The only thing needed now is to make sure that you have defined a APN for the subscription and are registered to a cellular network.
AT+CGDCONT?
+CGDCONT: 1,"IP","m2m.tele2.com","0.0.0.0",0,0,0,0

AT+CREG?
+CREG: 0,1

AT+CGATT?
+CGATT: 1

AT+CGACT?
+CGACT: 1,1

AT+CGCONTRDP
+CGCONTRDP: 1,5,m2m.tele2.com,10.160.26.28,,130.244.127.161,130.244.127.169

If APN name, IP etc. is returned with AT+CGCONTRDP, you should now be able to use the ECM network interface.

root@linux:~# ping -I enx00a0c6047450 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 192.168.225.20 enx00a0c6047450: 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=54 time=696 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=54 time=155 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=54 time=150 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=54 time=151 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=54 time=127 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=54 time=146 ms
^C
--- 8.8.8.8 ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 12ms
rtt min/avg/max/mdev = 127.379/237.402/695.622/205.108 ms

Tested on SIM7000G miniPCIe with firmware:
AT+CGMR
Revision:1529B02SIM7000G