Alcatel (TCL) produces a wide range of 4G LTE USB modem sticks — compact plug-and-play dongles that provide instant 4G internet when plugged into a laptop or desktop. Models like the L800, L850, and IK40 (Link Key) support LTE Cat 4 at 150 Mbps and are sold through carriers like Vodafone, Orange, EE, and T-Mobile across Europe.
Table of Contents
These modems ship carrier-locked and require a 10-digit NCK (Network Control Key) to unlock.
Supported Models
| Model | Marketing Name | Network | Key Feature |
|---|---|---|---|
| L100 / L100G / L100V | One Touch L100 | LTE Cat 3 (100 Mbps) | First-gen Alcatel 4G dongle |
| L800 / L800Z | One Touch L800 | LTE Cat 4 (150 Mbps) | 10 LTE bands, wide compatibility |
| L850 / L850O / L850V | One Touch L850 | LTE Cat 4 (150 Mbps) | 90mm slim, microSD slot (32 GB) |
| IK40 / IK40V / IK40CJ | Link Key LTE | LTE Cat 4 (150 Mbps) | Latest gen, 9 LTE bands |
| IK41VE1 / IK41UC / IK41UD / IK41CQ | Link Key IK41 | LTE Cat 4 (150 Mbps) | Regional variants |
Key Specifications (L850 / IK40)
| Spec | Details |
|---|---|
| Network | 4G LTE Cat 4 (150 Mbps down / 50 Mbps up) |
| LTE Bands | B1, B3, B5, B7, B8, B18, B19, B20, B26 (varies by model) |
| Fallback | 3G UMTS 900/1800/2100, 2G GSM |
| Interface | USB 2.0 (plug directly into laptop) |
| Storage | microSD card slot up to 32 GB (L850) |
| Dimensions | ~90 x 28 x 13 mm |
How to Unlock
Find Your IMEI
- Plug the modem into your computer’s USB port
- Open a browser and go to 192.168.1.1 (or use the Alcatel management software)
- Go to Device Information and copy the 15-digit IMEI
- Alternatively, the IMEI is printed on the modem body under the cap
Purchase Your NCK Code
- Go to our Alcatel 10-Digit Unlock Code page
- Enter your IMEI number and email address
- Complete the payment — your 10-digit NCK code will be emailed to you
Enter the Unlock Code
- Insert a SIM card from a different carrier into the modem
- Plug it back into your computer
- The management software or web interface will prompt for an NCK code
- Enter the 10-digit code and click Apply
- Your modem is now permanently unlocked
Frequently Asked Questions
What is the Link Key (IK40)?
The Alcatel Link Key is the latest generation of Alcatel USB dongles, replacing the older L-series. The IK40V supports LTE Cat 4 at 150 Mbps with 9 LTE bands. Same unlock method — 10-digit NCK code.
Does the L850 have a microSD slot?
Yes. The L850 includes a microSD card slot supporting up to 32 GB for file storage and sharing.
Where is the IMEI on these modems?
The IMEI is printed on the modem body (remove the USB cap to see it) and also available in the web interface at 192.168.1.1 under Device Information.
Is the unlock permanent?
Yes. Permanent through firmware updates and all usage.
Watch: Alcatel Modem Unlock
Get Your Modem Unlocked Today
Contact us through any of the channels below — we are available 24/7.
