UF21 4G LTE UFi Dongle

4G Cat.4 UFi Dongle
2.4GHz Wi-Fi 150Mbps 4G LTE Dongle
Up to 8 Concurrent Devices
Global Frequency Band Customization
Size 96mm (H) x 34mm (W) x 12mm (D)

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UF21 4G LTE UFi Dongle



  • USB Plug-in and Networking
  • LTE Cat.4 700MHz~2700MHz Band Optional
  • 2.4GHZ 150M Wi-Fi 1T1R Max 8 Users Online
  • Cellular Band and UI Customization
  • Diversified Configuration to Match Needs and Cost
  • eSIM optional
  • 5V/1A Power Supply
  • Support Windows XP/7/8/10, Linux, Android
  • IPV4/IPV6, Firewall, NAT
  • FOTA and Management Services


  • UF21 4G LTE UFi dongle is a brand new pocket-size UFi dongle that can tap into a 4G or 5G cellular network to achieve a Cat 4 high-speed wireless broadband hotspot.


  • Designed with a universal USB port to be externally powered through a computer/laptop/power bank/car charger, the UFi dongle is plug and play, portable and affordable, easy to carry, and convenient to use. Wireless devices including mobile phones, laptops, tablets, and other smart devices, can access the device simultaneously.


  • UF21 4G LTE UFi dongle can be shared with up to 8 concurrent devices and no need for additional software installation. The UF21 4G LTE UFi dongle can be applicable in a variety of scenarios that require the temporary or fast deployment of wireless networks through a standard USB port: such as travel, on the go, office meetings, hotels, shops, and cars.


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Frequency Bands

China & Southeast Asia Europe & Africa Asia Pacific Middle East America

LTE: B1/3/5/8/38/40/41







We welcome worldwide wireless communication/telecom operators or IoT project contractors to inquire more on UF21 4G LTE UFi dongle about global frequency band customization, customized UI / Application / Function / Appearance service, etc.



Mobile Work

UFi Dongle for Mobile Work

Travel & Holiday

UFi Dongle for Travel Holiday

Store Networking

UFi Dongle for Store Networking



As long as there is a power supply for the 4G LTE UFi dongle, there is a 4G-to-WIFI network.

UF21 4G LTE UFi Dongle


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