Apple Pencil and Smart Keyboard are sold separately.
FaceTime calling requires a FaceTime-enabled device for the caller and recipient and a Wi-Fi connection. Availability over a cellular network depends on carrier policies; data charges may apply.
Cellular data service is available only on Wi-Fi + Cellular models. Data plan required. LTE Advanced and LTE are available in select markets and through select carriers. Speeds are based on theoretical throughput and vary based on site conditions and carrier. For details on LTE support, contact AT&T