Manual:Interface/LTE

Applies to RouterOS: v6+,v5.12+

Summary

Package: system

Support for Direct-IP mode type cards only. (QMI Support may be possible in future)

To enable access via a PPP interface instead of a LTE Interface, change direct IP mode with /port firmware set ignore-directip-modem=yes command and a reboot. Note that using PPP emulation mode you will not get the same max speeds as using the native lte interface.

LTE Client

Sub-menu: /interface lte

Properties

Property	Description
add-default-route (yes | no; Default: no)	Whether to add default route to forward all traffic over the LTE interface.
authentication (pap | chap; Default: )	Allowed protocol to use for authentication
apn (string; Default: "")	Service Provider's Access Point Name
band (; Default: "")	Frequency band used in communication
comment (string; Default: "")	Descriptive name of an item
default-route-distance (integer; Default: 1)	Since v6.2, sets distance value applied to auto created default route, if add-default-route is also selected
disabled (yes | no; Default: yes)	Whether interface is disabled or not. By default it is disabled.
mac-address (MAC; Default: "")	Media Access Control number of an interface.
modem-init (string; Default: "")	Modem init string
mtu (integer; Default: 1500)	Maximum Transmission Unit. Max packet size that LTE interface will be able to send without packet fragmentation.
name (string; Default: "")	Descriptive name of the interface.
network-mode (3g | auto | gsm | lte; Default: auto)	Select/force mode LTE interface is to operate with
password (string; Default: "")	Password used for authentication.
pin (string; Default: "")	SIM Card's PIN code.
user (string; Default: "")	User name used for authentication.

Scanner

It is possible to scan LTE interfaces with /interface lte scan command

Available read only properties:

Property	Description
duration (integer)	Duration of scan in seconds
freeze-frame-interval ()	time between data printout
number (integer)	Interface number

User Info command

It is possible to send special "info" command to LTE interface with /interface lte info command.

Properties (Up to 6.40)

Property	Description
user-command (string; Default: "")	send a command to LTE card to extract useful information, e.g. with AT commands
user-command-only (yes | no; Default: )

User at-chat command

It is possible to send user defined "at-chat" command to LTE interface with /interface lte at-chat command.

[admin@MikroTik] > /interface lte at-chat lte1 input="AT*mrd_imei\?"                         
  output: *MRD_IMEI:356159060388208

OK

You can also use "at-chat" function in scripts and assign command output to variable.

[admin@MikroTik] > :global "lte_command" [/interface lte at-chat lte1 input="AT*mrd_imei\?" as-value ] 
[admin@MikroTik] > :put $"lte_command"
output=*MRD_IMEI:356159060388208

OK

Quick setup example

Set correct parameters on LTE client interface (provided by network provider):

/interface lte
set [ find ] apn=phoneprovider.net authentication=chap name=lte1 network-mode=auto password=web user=web

Add a DHCP Client to LTE Interface just created:

/ip dhcp-client
add default-route-distance=1 disabled=no interface=lte1

If required, add NAT Masquerade for LTE Interface to get internet:

/ip firewall nat
add action=masquerade chain=srcnat out-interface=lte1

After interface is added, you can use "info" command to see what parameters client acquired (parameters returned depends on LTE hardware device):

[admin@MikroTik] > /interface lte info lte1 once 
status: call in progress
pin-status: no password required
functionality: full
manufacturer: Huawei Technologies Co., Ltd.
model: ME909u-521
revision: 12.631.07.01.00
current-operator: vodafone ES
current-cellid: 44436007
access-technology: Evolved 3G (LTE)
signal-strengh: -79 dBm
frame-error-rate: n/a
earfcn: n/a
imei: 860461024123456
imsi: 234012555034981
uicc: n/a
rssi: -79dBm
rsrp: -109dBm
rsrq: -13dB
sinr: -1dB
[admin@MikroTik] >

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