Yeastar 4G‑LTE Modules (Voice + Data)
The Yeastar 4G‑LTE Module adds 4G mobile voice calling, SMS, and high‑speed data capability to Yeastar S‑Series and P‑Series VoIP PBX systems — ideal for cellular failover, remote offices, and locations without fixed broadband.
Description
The Yeastar 4G-LTE Modules (Voice + Data) are versatile communication expansion units designed to enable cellular connectivity for Yeastar gateways and VoIP systems. These modules provide both voice and data support over 4G/LTE networks, allowing businesses to integrate mobile broadband and voice trunking into their existing communication infrastructure with ease.
By adding a Yeastar 4G-LTE Module to compatible gateways or communication devices, organizations can leverage high-speed mobile data, reliable voice calling over LTE networks, and flexible routing options. These modules are ideal for environments where traditional wired connections are limited, unreliable, or unavailable — such as remote sites, field deployments, temporary offices, and mobile-centric locations.
With a compact design and seamless integration, the Yeastar 4G-LTE Modules allow for expanded network connectivity, improved mobility, and enhanced communication flexibility — delivering dependable performance for both voice and data services.
Key Features:
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4G LTE Voice & Data: Supports 3G/4G voice calls (including VoLTE where supported) and mobile data for PBX connectivity.
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SIM Card Slot: Uses a standard 3G/4G SIM card to access cellular networks.
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SMS Support: Send and receive SMS messages through the PBX system (where supported).
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High‑Speed LTE Data: LTE‑FDD up to ~150 Mbps DL / ~50 Mbps UL (varies by band).
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Fallback & Continuity: Ideal for internet failover, SIP trunk backup, or wireless connectivity in locations without fixed broadband.
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VoIP Integration: Works seamlessly with Yeastar PBX SIP functionalities (S‑Series & P‑Series).
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External Antenna Support: Module can be connected with an antenna for stronger cellular signal.
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Modular Design: Install in dedicated module slots of supported PBX systems.
Compatibility & Insertion:
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Compatible PBX Series: Yeastar S20, S50, S100, S300, S412 and P‑Series P550, P560, P570 (requirements vary by hardware version & slot).
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Module Slot: Typically inserted in module slot 1 or dedicated slots depending on model and expansion board configuration.
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SIM: Insert standard 3G/4G SIM card for cellular service.
Technical Highlights:
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Network Support: 4G/LTE, 3G (WCDMA), and 2G (GSM) fallback on supported bands.
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Voice Calls: Supports cellular voice (VoLTE and fallback voice).
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SMS: Yes (send/receive via PBX interface).
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Data Speeds: Typical LTE up to ~150 Mbps DL / ~50 Mbps UL (band dependent).
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Use Cases: Cellular voice integration, SIP trunk backup, remote office connectivity.
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet








