SIMCom SIM7100E LTE modem

SIMCom SIM7100E is a recent LTE modem released by Simcom. It’s approximately $20 cheaper than Huawei LTE modem, and also it provides USB voice function, so it could be integrated with FreeSWITCH mod_gsmopen module (this needs development).

My set of udev rules and chat scripts is updated with SIM7100E information, and here’s a copy:

cat >/etc/udev/rules.d/99-wwan.rules <<'EOT'
# SIMCom SIM7100
SUBSYSTEM=="tty", ATTRS{idVendor}=="1e0e", ATTRS{idProduct}=="9001", SYMLINK+="ttyWWAN%E{ID_USB_INTERFACE_NUM}"
SUBSYSTEM=="net", ATTRS{idVendor}=="1e0e", ATTRS{idProduct}=="9001", NAME="lte0" 
EOT

cat >/etc/chatscripts/sunrise.SIM7100 <<'EOT'
ABORT BUSY
ABORT 'NO CARRIER'
ABORT ERROR
TIMEOUT 10
'' 'AT+CFUN=1'
OK 'AT+CMEE=0'
OK 'AT+CGDCONT=1,"IP","internet"'
OK '\dAT\$QCRMCALL=1,1'
OK
EOT

cat >/etc/chatscripts/gsm_off.SIM7100 <<'EOT'
ABORT ERROR
TIMEOUT 5
'' 'AT\$QCRMCALL=0,1'
OK AT+CFUN=0
OK
EOT

cat >/etc/network/interfaces.d/lte0 <<'EOT'
allow-hotplug lte0
iface lte0 inet dhcp
 pre-up /usr/sbin/chat -v -f /etc/chatscripts/sunrise.SIM7100 >/dev/ttyWWAN02 </dev/ttyWWAN02
 post-down /usr/sbin/chat -v -f /etc/chatscripts/gsm_off.SIM7100 >/dev/ttyWWAN02 </dev/ttyWWAN02
EOT

 

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