SKU: 36851305951

Yeastar TG400L 4-Port 4G LTE VoIP Gateway

Sale price$8099.08 Regular price$8998.98
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Yeastar TG400L 4-Port 4G LTE VoIP GatewayReliable 4G LTE Connectivity for Your VoIP Phone System The Yeastar TG400L is a 4 port VoIP 4G LTE gateway designed to bridge your SIP based telephone system with the cellular network. It serves as a dependable primary communication link or a robust failover solution, ensuring your business stays connected. By integrating your IP PBX with the 4G LTE network, the TG400L facilitates seamless two way communication. In the event of a landline or internet

Reliable 4G LTE Connectivity for Your VoIP Phone System

The Yeastar TG400L is a 4-port VoIP 4G LTE gateway designed to bridge your SIP-based telephone system with the cellular network. It serves as a dependable primary communication link or a robust failover solution, ensuring your business stays connected. By integrating your IP PBX with the 4G LTE network, the TG400L facilitates seamless two-way communication. In the event of a landline or internet failure, this gateway can automatically route calls over the mobile network, guaranteeing business continuity. It is also an ideal solution for locations where traditional fixed-line infrastructure is unavailable or cost-prohibitive.

Crystal-Clear Voice and Advanced Features

Experience superior call quality with VoLTE for HD calls. The TG400L is engineered for top-quality performance and reliability, making it a perfect mobile connectivity solution for small and medium-sized businesses. It is fully compliant with SIP standards, ensuring high compatibility with major IP PBX and softswitch brands. The gateway supports a wide range of voice codecs and features ITU-T G.168 LEC echo cancellation for clear conversations. Beyond voice, it offers SMS-to-email and email-to-SMS functionality for integrated business messaging.

Simplified Management and Robust Security

The TG400L features a simple and intuitive web-based interface for straightforward configuration and management, saving you valuable time. Flexible call routing rules can be configured to manage costs and optimize call distribution. Security is paramount, and this gateway includes a firewall, IP blocklists, and support for TLS and SRTP transport protocols to protect your communications.

Technical Specifications

Cellular
Mobile Ports 4 x LTE Channels
SIM Card Slots 4
GSM Frequency 850/900/1800/1900 MHz
UMTS Frequency 850/1900 MHz, 850/2100 MHz, 900/2100 MHz
4G LTE Band Varies by region
Voice & IP
Protocol SIP, IAX2
Transport UDP, TCP, TLS, SRTP
Voice Codec G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex
Echo Cancellation ITU-T G.168 LEC
DTMF Mode RFC2833, SIP INFO, In-band
System Features
Calling Type Termination (VoIP to GSM/3G/4G), Origination (GSM/3G/4G to VoIP)
Routing Incoming/Outgoing Routing Rules, Mobile & VoIP Trunk Groups
Management Web-based GUI, Call Detail Record (CDR), System Logs
Network
LAN 1 x 10/100 Mbps Ethernet Interface
Network Protocol FTP, TFTP, HTTP, HTTPS, SSH
Network Features DHCP, DDNS, Firewall, OpenVPN, Static IP, QoS, Static Route, VLAN
NAT Traversal Static NAT, STUN
Hardware
Power Supply AC 100-240V
Dimensions (L x W x H) 213 x 160 x 44 mm
Operating Temperature 0°C – 40°C
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36851305951

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timothy scalabrelli
San Leandro, US
★★★★★ 4
Comfortable
Size: 9, Color: Black/Ivory
Most comfortable and roomy shoes I ever wore. Great for insoles. Looks nice too. The base of the shoe is a bit too thick but it’s fine.
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Reviewed in the United States on September 5, 2025
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tom chang
Birmingham, US
★★★★★ 5
Good comfort, quality and classy
Size: 8.5, Color: Black/Ivory
’ve been wearing Cole Haan dress sneakers for work and travel, and they strike a really good balance between professional and comfortable. The biggest advantage is how lightweight they feel compared to traditional dress shoes. Most styles have sneaker-like cushioning, so you can walk or stand all day without your feet getting destroyed. The design is also versatile and look polished enough for business casual outfits but still casual enough to wear with jeans. They work especially well in office environments where a full formal shoe feels too stiff or outdated.
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Reviewed in the United States on May 10, 2026
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Daniel C
Louisville, US
★★★★★ 5
New Favorite Work Shoe
Size: 9.5, Color: Black/Ivory
These Cole Haan Grand Crosscourt Daily shoes have quickly become my new favorite work shoes. They’re incredibly comfortable right out of the box, with just the right amount of cushioning and support to get through long days on my feet. I love that they look sleek and professional while still feeling casual enough to wear anywhere. The build quality is top-notch—durable materials and solid construction that make them feel like they’ll last a long time. Overall, these shoes strike the perfect balance between comfort, style, and practicality. I can honestly say I look forward to wearing them every day. Highly recommend for anyone who spends a lot of time on their feet but doesn’t want to sacrifice style.
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Reviewed in the United States on February 9, 2026
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Edward Diaz
Pawtucket, US
★★★★★ 5
Well Made for price and style
Size: 10.5, Color: Black/Ivory
Great fit and very flexible. I also recommend buying shoe savers when purchasing this product. To help with toes wrinkles. The pair itself is stylish and very comfortable. Any purchase of this product will be greatly satisfied.
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Reviewed in the United States on April 16, 2026
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Pierre
Lowell, US
★★★★★ 5
Nice shoes
Size: 11.5, Color: Black/Ivory
The are very comfortable, and look great.
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Reviewed in the United States on April 8, 2026

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