ZLT X21 5G CPE Full Specs and Features

ZLT X21 5G CPE router full specifications, features, troubleshooting, manual and configuration tips.
The ZLT X21 is one of the most affordable yet high-performance 5G CPE routers available in the market today. Designed for both home and commercial use, it supports dual-mode 5G NS… Keep reading
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The ZLT X21 is one of the most affordable yet high-performance 5G CPE routers available in the market today. Designed for both home and commercial use, it supports dual-mode 5G NSA and SA networks, making it a future-ready device that can adapts to new wireless technology infrastructures.

Equipped with advanced connectivity features, the ZLT X21 can deliver blazing-fast internet speeds right to your home. Whether you're using it for video streaming, online gaming, video calls, it ensures smooth and uninterrupted performance across all devices.

ZLT X21

ZLT X21 Full Specs

General
Name Tozed Kangwei ZLT X21
Model ZLT X21
Hardware
Chipset Unisoc IVY510
Memory 2GB RAM, 2GB ROM
Interface
  • 4 × Gigabit LAN Port
  • 1 x RJ11 Port
  • 1 SIM slot
  • DC socket
  • USB Type-C
Buttons
  • Power ON/OFF button
  • WPS button
  • Reset button
Indicators
  • Power
  • Wi-Fi
  • 4G signal
  • 5G signal
  • Signal strength
Power supply
  • AC100V~240V,50Hz~60Hz
  • DC 12V DC±10% 2A
Power consumption ~24W
Dimensions 117 x 117 x 180 mm
Weight 513g
Connectivity
Wi-Fi 802.11 a/b/g/n/ax, dual-band (2.4GHz/5GHz)
Network
Bands
  • NR: N41/ N77/N78/N79
  • FDD: B1/B2/B3/ B5/B7/B8
  • TDD: B34/B39/B40/B41
APN Multi APN (3)
MIMO
  • 5G: MIMO 4*4/ LTE: MIMO 2*2
  • WIFI: MIMO 2*2(5G); MIMO 2*2(2.4G)
Other features
VPN PPTP/L2TP/SSL VPN/GRE/IP SEC
VOIP Yes, VoNR/VoLTE
Firewall Yes
DHCP Yes, DHCP Server
DDNS Yes
Band Lock Yes
Cell Lock Yes
PCI Lock Yes
Work Mode NAT / Router Mode

Another impressive features of this device is that it supports up to 32 users connected simultaneously. This makes it ideal for larger households, apartments, or even small businesses that demand a stable and fast wireless connection for multiple users at the same time.

You can easily manage the router with its straight to the point and user-friendly web UI by entering the IP address in address bar using your browser. Just type 192.168.0.1 then use the default username and password below.

Default Username and Password
Username Password
admin admin

Installation Instructions and Manuals

  1. Take out the wireless data terminal and install the USIM card into the slot according to the direction marked on the data terminal. When the click sound is heard, the USIM card is installed in place.
  2. Use an RJ45 standard network cable to connect the LAN port and the computer of the data terminal.
  3. Connect the external power outlet and data terminal with the power adapter, press the switch and turn on the data terminal automatically. About 1–2 minutes later, the data terminal completes initialization.
  4. Place the data terminal in a flat place.
ZLT X21 Back
Interface Overview
Interface Uses Remarks
POWER Power switch Press to turn on the power and then press to turn off the power
Power jack Power interface, connected to the particular power adapter Be sure to use the particular power adapter, using another adapter may cause damage to the device or other hazards
RESET Reset key, long press 7 seconds to restore factory settings Restore factory settings will clear all user settings parameters, please be careful
LAN1 - LAN4 Ethernet interface, used to connect computers and other devices The LED flashes when connected
SIM USIM card interface, please insert the USIM card correctly in the identification direction Do not unplug the USIM card when power on

Troubleshooting and light indicators

Indicator Light Descriptions
Indicator State Description
Wi-Fi OFF Wi-Fi not open
Wi-Fi Blue Wi-Fi open
SIGNAL OFF No signal (signal values can also be viewed through the data terminal configuration page)
SIGNAL Red light flashing SIM card not identified
SIGNAL Red Poor signal quality
SIGNAL Yellow Normal signal quality
SIGNAL Green Good signal quality
POWER OFF Foreign power exception, data terminal closed
POWER On Normal external power, data terminal open
4G OFF 4G unregistered network
4G Blue 4G Registered Network
5G OFF 5G unregistered network
5G Blue 5G Registered Network

Before accessing the internet, please check the following options:

  • USIM card is valid and correctly inserted into the data terminal
  • Power indicator light is on
  • Signal indicator light is visible, preferably green
  • 4G or 5G indicator lights are blue

WPS key: press the button for 1 to 3 seconds to release, the WIFI light flashes quickly, and the 5G WIFI WPS function is enabled. Press and hold for more than 6 seconds to release, the WIFI light flashes slowly, and the 2.4G WIFI WPS function is enabled. Devices that support WPS function (such as mobile phones) can automatically connect when entering WPS mode, and WPS function will be turned off automatically after 2 minutes of turning on.

If you're living in an area not covered by fiber lines, or if you're struggling with unreliable mobile signal indoors, the ZLT X21 can be a game-changer. With its six (6) powerful built-in 5G/LTE antennas, it can capture weak 4G/5G signals and convert them into a reliable home network giving you solid internet where smartphones may struggle.

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