Yeastar TG400L 4-Port LTE Gateway

Yeastar TG400L 4-Port LTE Gateway

The Yeastar TG400L 4-Port LTE Gateway connects mobile networks with compatible Voice over Internet Protocol telephone systems. Its four LTE channels support simultaneous mobile-to-VoIP and VoIP-to-mobile communication. Therefore, businesses can route calls through suitable mobile services while maintaining central IP phone management. The appliance also supports SMS, USSD, web-based configuration, security controls, and backup communication during fixed-line outages.

Product Overview

The Yeastar TG400L 4-Port LTE Gateway supports Session Initiation Protocol and Inter-Asterisk eXchange Protocol version 2. As a result, it can connect to compatible IP Private Branch Exchange systems and softswitches. It also supports one-stage and two-stage dialling for flexible call routing.

Four mobile channels allow businesses to use multiple compatible mobile connections. Moreover, the included antenna splitter combines four mobile connections with one suitable antenna arrangement. Administrators can manage calls, messages, routing rules, and system settings through a web-based interface.

Key Features

• Provides four 4G LTE channels for simultaneous mobile and VoIP communication.
• Supports SIP and IAX2 for broad compatibility with suitable IP telephone platforms.
• Sends and receives SMS messages through the management interface for authorised communication.
• Supports bulk SMS for approved business alerts, service updates, and notifications.
• Provides USSD functions for compatible mobile service commands and account enquiries.
• Includes automatic and manual carrier selection for flexible mobile network configuration.
• Supports call transfer, callback, hotline, blacklist, and incoming or outgoing routing rules.
• Provides firewall, Virtual Local Area Network, OpenVPN, and IP blacklist functions.
• Uses Quality of Service and Type of Service settings to help prioritise voice traffic.
• Supports a four-in-one antenna splitter for a more organised antenna installation.

Technical Specifications

• Brand: Yeastar
• Model: TG400L
• Product type: Four-channel VoIP 4G LTE gateway
• Mobile channels: 4
• Ethernet interfaces: 1 × 10/100 Mbps
• Antenna splitter: Four-in-one
• Voice protocols: SIP and IAX2
• Transport protocols: UDP, TCP, TLS, and SRTP
• Voice codecs: G.711 A-law and μ-law, G.726, G.729A, GSM, ADPCM, and Speex
• DTMF modes: RFC2833, SIP INFO, and in-band
• Echo cancellation: ITU-T G.168 LEC
• Mobile functions: SMS, bulk SMS, USSD, caller ID, gain adjustment, and talk-time alerts
• Network protocols: FTP, TFTP, HTTP, and SSH
• Management: Web configuration, backup and restore, system logs, and packet capture
• Dimensions: 213 × 160 × 44 mm
• Power supply: 100–240V AC
• Operating temperature: 0°C to 40°C
• Humidity: 10% to 90% non-condensing

Common Applications

The Yeastar TG400L 4-Port LTE Gateway suits offices, call handling teams, retail operations, remote branches, and areas with limited fixed-line services. It can also provide an alternative communication route during landline outages. However, supported LTE frequency bands depend on the ordered module type.

Why Choose This Product?

The Yeastar TG400L 4-Port LTE Gateway combines four mobile channels with flexible VoIP routing and messaging tools. Its web interface simplifies configuration and monitoring. Meanwhile, the antenna splitter helps organise mobile connectivity. Security, traffic management, and call-control functions also support reliable daily administration across compatible business telephone environments.

Frequently Asked Questions

What is the purpose of the four-in-one antenna splitter?

The antenna splitter combines connections from the gateway’s four mobile channels into a more organised compatible antenna arrangement.

Can the TG400L generate call records?

Call Detail Record support allows administrators to review logged information about calls processed through the gateway.

How can administrators control call duration?

The call duration limitation feature allows configured time limits to be applied to suitable outgoing or incoming call routes.

Which protocols support system management and file transfers?

The gateway supports FTP, TFTP, HTTP, and SSH for compatible network management and maintenance tasks.