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_86 (model_number VARCHAR, voltage VARCHAR, frequency VARCHAR)

### Question ###
What is the Model Number, when the Voltage is 3.45 V, and when the Frequency is 133 MHZ?

### Accurate SQL ###

SELECT model_number FROM table_name_86 WHERE voltage = "3.45 v" AND frequency = "133 mhz"