B222s User’s Guide 15
CHAPTER 1
Introduction
1.1 Overview
The Device is an LTE (Long Term Evolution) device including an outdoor unit (ODU) and an indoor
unit (IDU). The LTE Device supports Voice over IP (VoIP) communication capabilities to allow you to
use a traditional analog telephone to make Internet calls. The LTE Device also provides a complete
security solution with a robust firewall based on Stateful Packet Inspection (SPI) technology and
Denial of Service (DoS).
See the chapter on product specifications for a full list of features.
1.2 Applications for the LTE Device
Here are some example uses for which the LTE Device is well suited.
1.2.1 Internet Access
Your LTE Device provides Internet access by connecting to an LTE network wirelessly.
Computers can connect to the LTE Device’s ETHERNET ports (or wirelessly).
Figure 1 LTE Device’s Internet Access Application
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