How to solve if there is no network when plugging in a T-Mobile or AT&T SIM card?

Go to Advanced>IPv6 to enable it; Go to Advanced Settings>TTL>Custom and set TTL to 64, HL to 65; Go to General Settings>3G/4G , set APN profile as Manual, set APN as VSBLINTERNET, leave username and password as blank, set authentication as PAP+CHAP

How to acquire the T-Mobile & T-Mobile B2B Static IP?

Go to General Settings -> 3G/4G, set Network mode as 4G only, set APN profile as Manual, set APN as fast.t-mobile.com (Note:for static IP plan, set APN as b2b.static ), leave username and password as blank, and set Authentication as PAP+CHAP.

What should I do if the issue still exists?

Please upgrade the firmware of the LT400 and try again. Or contact cudy support for help.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Cudy N300 WiFi Unlocked 4G LTE Modem Router with SIM Card Slot, 300Mbps WiFi, LTE Cat4, EC25-AFX Qualcomm Chipset, 5dBi High Gain Antennas, FDD, DDNS, VPN, Cloudflare, Plug and Play, LT400

Product ID: 386149370

Details

Brand
Cudy
Color
Black
Compatible Devices
Laptop Tablet
Connectivity Technology
LTE Wi-Fi
Frequency Band Class
Single-Band
Included Components
No.

📡4 x 5dBi high-gain antennas

📶300Mbps WiFi speed

🔒Multi-protocol VPN support

¥33941

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Unlock lightning-fast, secure internet anywhere you roam!

EXTENDED WI FI RANGE - Four powerful 5dBi antennas ensure your signal reaches every corner of your cabin or office, eliminating dead zones.
ROCK SOLID SECURITY - Built-in VPN clients (WireGuard, OpenVPN, PPTP, L2TP) plus Cloudflare DNS encryption keep your data private and secure.
PLUG PLAY CONVENIENCE - No tech headaches—just insert your SIM, enter your PIN, and get instant, reliable internet wherever cable can’t reach.
SMART REMOTE MANAGEMENT - User-friendly web interface with DDNS support lets you monitor and control your network anytime, anywhere.
SEAMLESS 4 G LTE CONNECTIVITY - Plug in any major North/South American SIM and enjoy blazing 150Mbps download speeds—perfect for remote work or travel.

The Cudy N300 LTE Modem Router combines 300Mbps WiFi with LTE Cat4 speeds up to 150Mbps, powered by a Qualcomm EC25-AFX chipset and enhanced by four 5dBi high-gain antennas. Designed for North and South America, it supports multiple VPN protocols and DNS encryption for top-tier security, all wrapped in a plug-and-play design ideal for remote locations without cable internet.

Specifications

ASIN	B085S2147W
Antenna Location	Gaming
Best Sellers Rank	#47,010 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #1,184 in Computer Routers
Brand	Cudy
Built-In Media	No.
Color	Black
Compatible Devices	Laptop, Personal Computer, Smartphone, Tablet
Connectivity Protocol	Ethernet, Wi-Fi
Connectivity Technology	LTE, Wi-Fi
Control Method	Remote
Controller Type	App Control, Web Interface
Coverage	North America and South America
Customer Reviews	4.1 4.1 out of 5 stars (6,236)
Data Transfer Rate	300 megabytes_per_second
Frequency	2.4 GHz
Frequency Band Class	Single-Band
Item Dimensions L x W x H	9.06"L x 5.75"W x 8.27"H
Item Weight	205 g
LAN Port Bandwidth	100 Mbps
Manufacturer	Shenzhen Cudy Technology Co., Ltd.
Maximum Upstream Data Transfer Rate	50 megabits_per_second
Mfr Part Number	LT400
Model Name	LT400
Model Number	LT400
Number of Antennas	4
Number of Ports	4
Operating System	RouterOS
Other Special Features of the Product	300 Mbps WiFi, 4G LTE FDD&TDD, DDNS, VPN
RAM Memory Installed	64 MB
Router Firewall Security Level	basic
Router Network Type	cellular
Security Protocol	[INF] Supports security protocols through VPN clients
Unit Count	1 Count
Voltage	12 volts
Wi-Fi Generation	Wi-Fi 4
Wireless Compability	2.4 GHz Radio Frequency, 802.11n

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TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Received my product in pristine condition. Great service overall.

1 month ago

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