Hello!
The Huawei E1820 (14.4Mbit) is not recognized under Mikrotik 6.x
It’s detected only under System → Resources → USB with “HUAWEI MOBILE”, but not under ppp/interface.
Here the output with Mikrotik 5.25 where it’s work correctly:
[admin@MikroTik] /interface ppp-client> info 0
status: ready
pin-status: no password required
functionality: full
manufacturer: huawei
model: E1820
revision: 11.828.08.10.680
serial-number: 357893034xxxxxx
current-operator: 22299
access-technology: 3G
signal-strengh: -95 dBm
frame-error-rate: n/a