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Parameter
Description
MTU
Maximum Transmission Unit (MTU) is the largest data packet transmitted
by a network device. The default MTU value is 1500. Do not change the
value unless necessary.
Compatibility Mode
Used to share the hotspot and traffic of the SIM card for internet access,
which can solve the problem of ISP traffic restrictions. The SIM card package
includes traffic and hotspot. If the traffic can only be used for mobile
devices (such as smartphones) and the hotspot can only be used for the
router, you can enable the compatibility mode on the web UI to modify the
Time to Live (TTL) and Hop Limit (HL) values to share the hotspot and traffic
for internet access.
It is applicable to some ISPs limited plans. The TTL and HL values can be
modified for packet capture analysis as required.
5.1.1 Change mobile network preference
When you use a SIM card to access the internet, you can also change the preference towards
mobile data, data roaming and preferred network type.
Assume that you are using the router outside the coverage of the ISP of your SIM card and want to
use 4G network only.
Procedure:
1. Log in to the web UI of the router.
2. Navigate to Internet Settings.
3. Enable Mobile Data and Data Roaming.
4. Set Mobile Data Options to 4G Only.
5. Click Connect.
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Document Version: V1.0