We recently submitted an app that required our hardware to be submitted too. The address it was asked to be shipped to is:
Apple, Inc.
1 Infinite Loop, M/S: 124-2APP
Cupertino, CA 95014
USA
It's probably best that you submit the app first and let it get stuck on that process so when you send it in, you can direct it to the proper person in charge. As for FCC, you need to fill out this form if shipping from outside US:
http://transition.fcc.gov/Forms/Form740/740.pdf
Other notes provided by Apple:
A separate FCC Form 740 must be used for each different radio-frequency device or component in the shipment; however, a form is not required for subassemblies, parts, or components of radio-frequency devices.
The form may be completed by the shipper or recipient, but if the form is not sent with the original shipping documents by the shipper, the shipment may be delayed in customs.
Ensure all serial and ID numbers are available as well as the name and address of the original manufacturer.
I hope that helps!