Chapter 1 Introduction
LTE3311 Series User’s Guide
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1.2.1 Wireless WAN (3G/4G) Connection
The LTE3311 comes with a built-in 3G/4G module for 3G/4G connections. To set up a 3G/4G
connection using the built-in 3G/4G module, just insert a 3G/4G SIM card into the SIM card slot at
the back of the LTE3311.
Note: You must insert the 3G/4G SIM card into the card slot before turning on the
LTE3311.
1.2.2 Wireless LAN (Wi-Fi) Connection
The LTE3311 is a wireless Access Point (AP) for wireless clients, such as notebook computers or
PDAs and iPads. It allows them to connect to the Internet without having to rely on inconvenient
Ethernet cables. By default, the wireless LAN (WLAN) is enabled on the LTE3311.
1.2.3 Internet Call (VoIP)
You can register a SIP (Session Initiation Protocol) account and use the LTE3311 and a connected
analog telephone to make and receive VoIP telephone calls.
• Peer-to-peer calls (A): Use the LTE3311 to make a call to the recipient’s IP address without using
a SIP proxy server.
• Calls via a VoIP service provider (B): The LTE3311 sends your call to a VoIP service provider’s SIP
server which forwards your calls to either VoIP or PSTN phones.
1.2.4 File Sharing
Use the built-in USB 2.0 port to share files on a USB memory stick or a USB hard drive (B). You can
connect one USB hard drive to the LTE3311 at a time. Use FTP to access the files on the USB
device.