3G/4G USB Modem Compatibility List for TL-MR3420 v1

Note：

1.Please firstly “select location” from the drop-down list and refer to the local ISP and 3G/4G USB modem information;

2.If your country is not on the list, please take the “Other Location” option as reference Only.
Please note, due to firmware upgrading or various parameters changed by some 3G/4G ISPs, there are some 3G/4G modems in the "Other Location" list that may NOT be compatible with our routers.

3.The same USB modem may be different in a different region, please just select your region as a reference.

4.If your 3G/4G USB modem is listed but not recognized by the router, please refer to the following steps to have a try:

• Download and upgrade the router with the latest firmware，which is always compatible with more 3G/4G USB modems and available on  our website
• If your 3G/4G USB modem finally failed to be recognized by the router, please feel free to contact our technical support.

5.If you found a 3G/4G Modem that is not listed but compatible with our 3G/4G router, please feel free to share with us in our community your kindly help is very valuable for other customers.