Yeastar 4G LTE Module User Guide
3
Introduction
Yeastar S-Series VoIP PBX supports 4G LTE module. This guide provides an overview of hardware
and configuration information for the 4G LTE module.
4G LTE Module Features
4G Connection
Accessing Yeastar S-Series VoIP PBX via the 4G network and enjoy all the powerful features of
S-Series VoIP PBX. It is suitable for temporary locations, mobile offices, and places where a
fixed-line broadband is not available.
Voice over LTE
Place the phone call over LTE connection rather than the existing 2G/3G voice networks. With
VoLTE, you can expect faster connection time, high-definition call quality. Improving call stability,
voice quality, and message integrations, VoLTE offers great benefits to companies.
4G LTE Network Failover
Automatically reroute the S-Series PBX’s internet usage to 4G LTE wireless network if the PBX’s
primary internet connection fails.
Short Message Service (SMS)
Supports SMS to Email and Email to SMS features.
4G LTE Module Frequency Bands
Yeastar 4G module supports 3G and 4G network. The Table 1 shows the operating regions and
frequency bands for Yeastar 4G LTE modules.
Table 1 4G LTE Module Frequency Bands
Yeastar 4G Module
Operating Region
3G
4G
EC25-E
Europe
WCDMA: B1/B5/B8
LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B38/B40/B41
EC25-A
North America
WCDMA: B2/B4/B5
LTE FDD: B2/B4/B12
EC25-AU
Australia
WCDMA: B1/B2/B5/B8
LTE FDD: B1/B3/B5/B7/B8/B28
LTE TDD: B40
EC25-J
Japan
WCDMA: B1/B6/B8/B19
LTE FDD: B1/B3/B8/B18/B19/B26
LTE TDD: B41
EC20
China and India
WCDMA: B1/B8
FDD LTE: B1/B3/B8
TDD LTE: B38/B39/B40/B41
For more details about the operating regions and carriers, please refer to this
document
.