433mhz. Call with your VIN number to ensure proper compatibility. This unit needs to be programmed to your vehicle. Requires GM on line access to program!!! Fits SAAB 9-3 (2005-2011) ( Brand new OEM )If you are not sure if this part fits your vehicle, please feel free to call us at (888) 762-4883. Product #: 12847563 If you are looking for a Rebuilt version of this product, please call.