We will send the remote with 315Mhz, if you need 433Mhz, please contact us. You also can interchange the frequency by yourself.Interchangable frequency instruction: Please press “unlock” button continuely, then press “trunk”button for 5 times. The frequency could be interchanged between 315mhz abd 433Mhz. This function help you save money on stock. This is an after market replacement key, and the remote will need programming by an auto locksmith.