AFE-E420 M2B CN1

4G Network Setup

Verified by EWM-C401CQE01 module, J1 jumper must be set to 1-3 and 2-4.

Check signal strength.

# stty -F /dev/ttyUSB5 speed 115200 -echo

# cat /dev/ttyUSB5 &

# echo -e "AT+CSQ\r" > /dev/ttyUSB5

Terminal message:

AT+CSQ

+CSQ: 99,99

OK

Test connection by pppd.

# pppd connect 'chat -v -s -t 10 "" "AT" "" "ATDT*99#" "CONNECT" ""' \
  user username \
  password password \
  /dev/ttyUSB6 460800 \
  nodetach crtscts debug usepeerdns defaultroute &