Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_18 ( device VARCHAR, carrier VARCHAR )

### Question ###
WHAT IS THE DEVICE WITH MTS MOBILITY?

### Accurate SQL ###

SELECT device FROM table_name_18 WHERE carrier = "mts mobility"