4G works great but cannot make a phone call

It problem works well when your in line of site of a

Shipped on time works great and at a very good price

Works well trough desert and works ok in mountains

It does works very well with proper positioning of the (inside and outside) antenna's, but realistically if there is extremely little & fluctuating to no reception of any cell towers where you park your vehicle, you may get a reading that shows some cell availability (1 bar) but you still may not be able to send or receive a text with so low of a reading)

So far it has worked great.