Chapter 7 Broadband
Nebula Mobile Router User’s Guide
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7.8 Cellular Band Configuration
Either select Auto to have the Zyxel Device connect to an available network using the default settings
on the SIM card or select the type of the network (NR5G, 4G, 3G) to which you want the Zyxel Device to
connect.
Click Network Setting > Broadband > Cellular Band. The following screen opens.
Figure 69 Network Setting > Broadband > Cellular Band
The following table describes the fields in this screen.
Table 34 Network Setting > Broadband > Cellular Band
LABEL DESCRIPTION
Access Technology
Preferred Access
Technology
Select the cellular mode your Zyxel Device supports to which you want the Zyxel Device to
connect, and then click Apply to save your settings.
Otherwise, select Auto Switch to have the Zyxel Device connect to an available network
using the default settings on the SIM card. If the currently registered mobile network is not
available or the mobile network’s signal strength is too low, the Zyxel Device switches to
another available mobile network.
Preferred Service
Domain
Choose the service domain you want to use in the mobile network.
The CS (Circuit Switching) domain handles voice calls. The PS (Packet Switching) domain
handles data sessions.
Choose Combine to use both PS and CS domain. Choose PS only to use only the PS domain.
Band Management
Apply Click this to save your changes.
Cancel Click this to exit this screen without saving.