Yeastar 4G LTE Module for S-Series VoIP PBX
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Yeastar PBX Phone System
4G SIM Card & SIP over 4G LTE Solution

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, and for S-Series the 4G LTE data feature is only supported on the hardware version V2.
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.
Brands | Yeastar |
Antena Type | The 4G LTE Module can be used with one RF cable and one antenna |
SIM | 3G/4G Standard SIM Card |
Compatibility | S412, S20, S50, S100, S300 (Version 30.4.0.25 or higher) |
Audio | 3G/4G Voice Call |