4G UFI

ZLT D20 MAX

4G UFI

The ZLT D20 MAX is a compact and powerful 4G Mobile Wi-Fi device. It converts high-speed 4G cellular signals (up to 150Mbps downlink) into Wi-Fi 6 (802.11ax) connectivity for up to 8 users. Perfect for fast, reliable internet access on business trips, at home, in the car, or anywhere you need mobile broadband.
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Introduction

ZLT D20 MAX is sleek and portable device seamlessly converts 3G/4G wireless network data into robust Wi-Fi signals, providing fast and reliable broadband access wherever cellular coverage exists. With theoretical 4G download speeds reaching 150Mbps, it's designed to keep you connected for work, entertainment, or sharing with family and friends.

 

●Powerful & Portable Connectivity
The D20 MAX features cutting-edge Wi-Fi 6 technology (802.11 b/g/n/ax) on the 2.4GHz band, delivering significantly faster speeds and better efficiency than older Wi-Fi standards, with peak throughputs up to 286Mbps uplink and 229Mbps downlink. Its ultra-compact design (100 x 32.8 x 10.6 mm) makes it exceptionally easy to carry, while support for major domestic carrier frequency bands ensures broad compatibility. Connect up to 8 devices simultaneously.

 

●Advanced Features for Easy Management
Beyond basic connectivity, the D20 MAX offers valuable tools: monitor your data usage with traffic statistics, manage network settings via a user-friendly web interface, utilize SMS functionality, and configure multiple APNs. Robust security includes WPA2-PSK/WPA-PSK encryption, PIN/PUK management for the SIM card, and a comprehensive firewall with IP/MAC filtering, URL blocking, and DMZ support.

 

●Reliable Performance & Remote Management
Benefit from stable operation with features like dual-stack IPv4/IPv6 support, DHCP, DNS configuration, and NAT routing. For enterprise or service provider deployment, the device supports TR069 for seamless remote platform management, configuration, and firmware upgrades. Built-in LEDs provide clear status updates for power, Wi-Fi, and 4G signal strength.

 

●Ideal For: Business travelers needing a secure office hotspot, families requiring flexible home internet, car Wi-Fi sharing, mobile internet access, or any scenario demanding fast, portable broadband without fixed lines. The ZLT D20 MAX delivers speed, convenience, and intelligent connectivity in your pocket.

Specifications

FeatureDescription
Cellular Network ModeTDD-LTE/FDD-LTE/HSPA+
Indicator2 LED Indicators (POWER, Wi-Fi, 4G Signal strength)
ButtonReset button
SIM Card1*SIM (Micro SIM)
Support 1.8V & 3.0V,
eSIM circuit is reserved
Antenna3 Built-in(LTE&Wi-Fi)
Dimensions100 * 32.8 * 10.6mm
Power SupplyDC 5V/1A
Support BandsLTE-FDD:B1/B3/B7/B8/B20/B28(A+B)
LTE-TDD:B38/B40/B41
WCDMA: B1/B8
B2,B4,B5 bands can be supported by modification
LTE Category CAT4
LTE MIMOLTE DL 2 × 2 MIMO:B1/B2/B3/B5/B7/B8/B20(28)/B38/B40/B41
TDD/FDD LTE Peak ThroughputDL: 150Mbps 
UL: 50Mbps
Wi-Fi Frequency2.4 GHz 
Wi-Fi Mode2.4G:802.11b/g/n
Wi-Fi Channel BW20MHz, 40MHz
Wi-Fi MIMOMIMO 2*2 (2T2R)
Wi-Fi Concurrent Users8

Application

Home Internet Backup

Home Internet Backup

Outdoor Live Streaming

Outdoor Live Streaming

Office Network

Office Network

In-car Hotspot

In-car Hotspot

SMB Point-of-Sale Connectivity

SMB Point-of-Sale Connectivity

Business Travelers' Mobile Office

Business Travelers' Mobile Office

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