@Router.C-1750 I think it's my mistake for choosing this kind of product. Am forget to check if this support simcard or not. I bring another USB and connect it to router but unfortunately signal of...

@Kevin_Z thanks for your reply. It's AC 1750 Router

Dear concern. I have problem with my tplink Ac1750 as follows. after I bought it I did not find any place for simcard to use the internet. How can I fix my simcard to ac1750 to can use net ??