Chapter 9 Interfaces
USG20(W)-VPN Series User’s Guide
174
9.5 Cellular Configuration Screen
Mobile broadband is a digital, packet-switched wireless technology. Bandwidth usage is optimized
as multiple users share the same channel and bandwidth is only allocated to users when they send
data. It allows fast transfer of voice and non-voice data and provides broadband Internet access to
mobile devices.
Note: The actual data rate you obtain varies depending on the mobile broadband device
you use, the signal strength to the service provider’s base station, and so on.
You can configure how the USG’s mobile broadband device connects to a network (refer to Section
9.5.1 on page 177):
• You can set the mobile broadband device to connect only to the home network, which is the
network to which you are originally subscribed.
• You can set the mobile broadband device to connect to other networks if the signal strength of
the home network is too low or it is unavailable.
3G
3G (Third Generation) is a digital, packet-switched wireless technology. Bandwidth usage is
optimized as multiple users share the same channel and bandwidth is only allocated to users when
they send data. It allows fast transfer of voice and non-voice data and provides broadband Internet
access to mobile devices.
4G
4G is the fourth generation of the mobile telecommunications technology and a successor of 3G.
Both the WiMAX and Long Term Evolution (LTE) standards are the 4G candidate systems. 4G only
supports all-IP-based packet-switched telephony services and is required to offer gigabit speed
access.
Note:
Note: The actual data rate you obtain varies depending on your mobile
environment. The environmental factors may include the number of mobile devices
which are currently connected to the mobile network, the signal strength to the
mobile network, and so on.
Check Port This field only displays when you set the Check Method to tcp. Specify the port
number to use for a TCP connectivity check.
Related Setting
Configure WAN
TRUNK
Click WAN TRUNK to go to a screen where you can configure the interface as part of a
WAN trunk for load balancing.
Policy Route Click Policy Route to go to the screen where you can manually configure a policy
route to associate traffic with this interface.
OK Click OK to save your changes back to the USG.
Cancel Click Cancel to exit this screen without saving.
Table 69 Configuration > Network > Interface > PPP > Add (continued)
LABEL DESCRIPTION
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