S-Series VoIP PBX Supports 4G SIM Card 4G LTE Solution & SIP over 4G LTE

Yeastar 4G LTE Module provides 4G cellular data on SIM card, making the 4G LTE become the primary Internet connection for S-Series VoIP PBX. Supporting 3G/4G network standard, the 4G capable S-Series VoIP PBX can register SIP trunks and make SIP calls with high speed built-in data. It is ideal for business needs like temporary locations, mobile offices, and places where fixed-line broadband is not available.

Branch Offices

Remote Area

Temporary Offices

4G LTE as the primary Internet connection* for S-Series VoIP PBX

Enable 4G cellular data on SIM card with 4G LTE Module and use 4G LTE as the primary Internet connection for S-Series VoIP PBX. It is suitable for temporary locations, mobile offices, and places where fixed-line broadband is not available.

*Please note that 4G LTE module cannot be used as a 4G router.

4G LTE network failover for business continuity

4G LTE Network provides businesses with an essential Internet continuity option when the PBX’s primary Internet connection fails. With 4G LTE failover, SIP trunks are even more resilient.

Voice over LTE for faster voice connection and better call quality

Place the phone call over LTE connection, you can expect faster voice connection, high-definition call quality and other benefits that VoLTE brings to companies.
Module 4G LTE Module
Type 4G LTE Module-E* 4G LTE Module-A* 4G LTE Module-AU* 4G LTE Module-CE*
Network Type UMTS (WCDMA) 3G / LTE

LTE FDD: B1/B3/B5/B7/B8/B20
LTE TDD: B38/B40/B41
GSM: B3/B8

LTE FDD: B2/B4/B12
WCDMA: B2/B4/B5B2/B4/B5

LTE FDD: B1/B2/B3/B4/B5/B7/B8/B28
WCDMA: B1/B2/B5/B8
GSM: B2/B3/B5/B8

LTE FDD: B1/B3/B5/B8
LTE TDD: B38/B39/B40/B41
GSM: 900/1800

Voice Call 3G/4G Voice Call
SIM Card 3G/4G Standard SIM Card
Data 3G/4G Data (cannot be used as a 4G router)
3G Data Speed Max 384 Kbps (DL) / Max 384 Kbps (UL)
LTE Data Speed LTE-FDD: Max 150 Mbps (DL) / Max 50 Mbps (UL); LTE-TDD: Max 200 Mbps (DL) / Max 35 Mbps (UL)
Module Insertion
(LTE Data)
S412: T_Slot3; S20&S50: Module Slot 1; S100&S300: Module Slot 1, Expansion Board 1
Module Insertion
(LTE Voice)
S412: T_Slot3 or T_Slot4; no place limitation for S20/S50/S100/S300
Call Waiting No
Call Forward Yes
RF Cable Insert on the MAIN T1 of the 4G LTE module
Antenna The 4G LTE Module can be used with one RF cable and one antenna.
(To strengthen signal, 2 RF cables can be installed but 2 antenna ports will also be occupied with the exception of S20.)
Model S412, S20, S50, S100, S300 (Version or higher)

Install linkus on mobile & desktop, next make some calls!

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