Product information notice: Some specifications may describe a broader product range and may not apply to this exact model. Use the product summary above as the primary model reference. Bundled software may be trial software and can require a separate licence.
Overview Summary
The Yeastar YST-LTE 4G LTE Module is a practical solution for businesses that need reliable, always-on communication for their P-Series PBX systems. By enabling 3G/4G connectivity, it ensures your phone system stays operational even when fixed-line networks fail. With support for VoLTE, voice calls remain clear and stable, while built-in SMS functionality adds an extra communication channel directly through your PBX.
Ideal for offices across South Africa where connectivity can be inconsistent, this module works as both a primary connection and a failover backup. It integrates seamlessly with supported Yeastar systems, making deployment straightforward and efficient. If you need dependable communication without downtime, this module is a smart investment-buy now and keep your business connected.
Uses: PBX failover connectivity, VoIP communication, SMS messaging via PBX, remote office communication, backup network access
Overview
Reliable 4G LTE Connectivity for Yeastar P-Series PBX The Yeastar YST-LTE 4G LTE module is designed to bring seamless mobile connectivity to P-Series PBX systems. By leveraging 3G and 4G networks, it enables stable voice communication and data transmission even in environments where traditional fixed-line infrastructure is unavailable. It can function as a primary communication channel or as a failover solution, ensuring business continuity during network disruptions. With support for VoLTE, users benefit from improved call clarity, while integrated SMS functionality allows messages to be sent and received directly through the PBX platform.
Description
The YST-LTE module enhances business communications by integrating mobile network access directly into compatible Yeastar PBX systems. It supports both voice and data over 3G and 4G networks, making it suitable for remote sites, backup connectivity, or mobile-first deployments. With VoLTE capability, it ensures high-quality voice calls, while SMS support adds another layer of communication flexibility. The module is easy to deploy and works with standard SIM cards, providing a practical and scalable solution for businesses that require reliable and flexible telephony.
Features
Compatibility and Deployment This module is engineered for seamless integration with Yeastar P-Series systems, including P520, P550, P560, and P570 . For P560 and P570 models, an EX-08 expansion board is required to enable installation. The YST-LTE (Part Number: YST-LTE) supports standard 3G and 4G SIM cards, making it adaptable to a wide range of network providers.
Deployment is straightforward, with flexible slot options depending on the PBX model. The module can be installed in designated slots or expansion boards, ensuring compatibility across multiple system configurations.
Key Capabilities
Enables 3G and 4G voice calls directly through the PBX
Supports VoLTE for enhanced audio clarity
Provides SMS functionality for sending and receiving messages
Operates as a primary connection or backup failover link
Uses standard 3G/4G SIM cards for easy setup
Network and Frequency Support The module supports a broad range of global frequency bands, ensuring compatibility with various carriers and regions. These include:
LTE TDD bands such as B38, B40, and B41
WCDMA bands including B1, B2, B4, B5, and B8
GSM bands covering 900 and 1800 MHz as well as B2, B3, B5, and B8
CDMA2000 and TD-SCDMA support for additional network compatibility
Data and Performance The YST-LTE module delivers dependable data performance suitable for PBX-related communication tasks:
LTE-FDD speeds up to 150 Mbps download and 50 Mbps upload
LTE-TDD speeds up to 130 Mbps download and 35 Mbps upload
3G data speeds up to 384 Kbps for both download and upload
It is important to note that while data connectivity is supported, the module is not designed to function as a standalone 4G router.
Installation and Hardware Details
Requires one RF cable connected to the MAIN T1 port
Operates with a single antenna, with optional dual antenna setup for improved signal strength
Flexible module insertion depending on system model and configuration
Supported Systems The YST-LTE module is compatible with a range of Yeastar systems, including:
S-Series models such as S20, S50, S100, S300, and S412 (firmware version 30.4.0.25 or higher)
P-Series models including P520, P550, P560, and P570
Communication Functions
Voice calling over 3G and 4G networks
SMS messaging support
Call forwarding capability
The Yeastar YST-LTE module provides a practical solution for businesses seeking flexible, mobile-enabled PBX connectivity, whether as a primary communication method or a reliable backup option.
Reviews have been submitted by users and do not necessarily reflect our own opinion.
The best price and guaranteed service and backup from official computer suppliers in South Africa for the YR-LTE E Yeastar YST-LTE 4G LTE module for P-Series PBX systems.
The Yeastar
YR-LTE EYeastar YST-LTE 4G LTE module for P-Series PBX systems is available for R3720. The product is sold by ComX Computers as new. Prices are valid today 2026-10-16 (before , by quote, while stocks last). The product is expected to be in stock, although this is not guaranteed.
Available from this online computer store delivering door-to-door in Johannesburg, Cape Town, Port Elizabeth, Pretoria, Pietermaritzburg, Polokwane, Durban and all over South Africa.
Find related YR-LTE E Yeastar YST-LTE 4G LTE module for P-Series PBX systems products in our VoIP FXS / FXO routers & gateways Category for even more options. Read reviews and find out about YR-LTE E Yeastar YST-LTE 4G LTE module for P-Series PBX systems. Discounts, specials and cheap prices only at ComX Computers.
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