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KuWFi 4G Wifi Router Dongle Unlocked 3G/4G USB Modem External Antenna Mobile Wireless Wifi Hotspot With SIM Card Slot

  • Support card type:
    Sim Card
  • model:
    EU  Version
    US Version
(200 available)
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  • Description
  • Reviews

4G LTE USB WiFi Modem

This Unlocked 4G Wifi Dongle is not only a modem or a router, it is a real UFI.


  • You can use it in cars via standard usb port, and outside with power bank via standard usb port.
  • Wireless access is available on both 3G & 4G network and Wi-Fi networks.
  • Internet connection sharing, up to 10 users can access the Wi-Fi network at the same time.
  • Work with external power supply, no limited working time.
  • Users experience the ultra-speed internet with amazing low power dissipation.
  • Able to connect with Tablet ,Laptop, notebook and different types of WI-FI devices.
  • One-touch connection
  • Friendly user interface
  • Convenient, portable, fashion.


Key features:


  • Connectivity: 3G&4G and Wi-Fi
  • Wifi Transmission rate:150mbps
  • Download Up to 4G 100Mbps,Upload Up to 50Mbps
  • Frequency:  US verison 4G FDD LTE: LTE-FDD : B2/B4/B5; 3G UMTS : B2/B4
  • Frequency:  EU verison 4G LTE FDD:B1/B3/B7/B8/B20(2100/1800/2600/900/800MHZ)
    4G LTE TDD:B38/B39/B40/B41(2600/1900/2300/2500MHZ)
  • Security Features: Supported WLAN: 802.11 b/g/n
  • wireless multimedia file sharing
  • FDD-LTE/TDD-LTE: UL 50M / DL 100Mbps
  • DC-HSPA+: UL 5.76M / DL 42Mbps
  • support: 32/64Bit: Win2000/Win2003/XP/Vista/Win7 Mac OS X 10.4 or later/LINUX[Note: Linux system cannot use USB connection (only wifi connection)]


Please notice:


  • As we all know that have so many operator and frequency in the world, so please check the frequency of the sim card Compared with our goods, if you do not know the frequency, please ask your operator first.
  • If the frequency is right ,but can not Connect automatic, for this can enter the ip address ,then setting the APN of the sim(the info can consult operator)
  • If signal is unstable, you can also manage the settings page, lock 4G or 3G network, can effectively improve the stability of the network.


4G LTE USB WiFi Modem


  • LDW931-L is compatible with Nano SIM card.
  • There is a SIM card slot on the USB interface of LDW931-L. When inserting the SIM card, please note that the metal surface side should face down.
  • When you want to remove the SIM card, you need to use the attached needle to gently push out the SIM card out.


4G LTE USB WiFi Modem

4G LTE USB WiFi Modem

4G LTE USB WiFi Modem

Compatible to various chargers

You can connect the product with a mobile power bank/notebook/UBS charger/a wall outlet then it will connect to internet. (If you cannot connect to the network, you need to disable the PIN code and modify the APN.)

Support up to 5-10 users

Internet connection sharing, up to 5-10 users can access the WiFi network at the same time.

Able to connect with Tablet ,Laptop, notebook and different types of WI-FI devices.

Color differentiation of WiFi signal lights

When the product is working, the signal lights of the product will show different colors.


  • 4G : Green
  • 3G : Blue/Purple


The frequency band of the SIM card is not compatible with the product: Red

If the product burns out, the signal light of the product will not light up.

How to log in to the web and set up the network

4G LTE USB WiFi Modem

4G LTE USB WiFi Modem

4G LTE USB WiFi Modem

WiFi and Admin


  • WiFi Key: 12345678
  • Web UI
  • Password: admin


Configure APN


  • Please fill in the correct APN information in the corresponding position
  • If you don’t know APN, please check it on your cell phone (the product pictures have tutorials)
  • Or you can call the SIM operator to get the correct APN information


TTL and Band


  • Support TTL switch
  • TTL setting
  • Band mode: Auto/Manual


4g router

Work in 2 modes

USB Modem & WiFi Router:

Work with external power supply, no limited working time

Simple connection:


  • WIFI KEY: 12345678
  • WEB GUI:
  • admin : admin


Packge Including:


  • 1x 4G LTE USB Dongle (the sim card not including)
  • 1 x User manual


If your settings are correct and the device still cannot connect to the network, please consider whether it is caused by the following problems:

  • Account got suspended for too much data usage.
  • Is the SIM card an IoT card?
  • The sim card have limited service ,not work with router or hotspot .
  • Not support roaming service.
  • Some place did not cover the network Frequency band.
  • Any questions, please send the Email to us.

4G LTE USB WiFi Modem

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