The AirPort/Bluetooth card, identified by its model number BCM94360CD, is exactly the same as the one we encountered in last year's iMac Intel 27 inch:

Broadcom BCM4360KML1G 5G WiFi 3-Stream 802.11ac Gigabit Transceiver

Skyworks SE5516 Dual-Band 802.11a/b/g/n/ac WLAN Front-End Module

Broadcom BCM20702 Single-Chip Bluetooth 4.0 HCI Solution with Bluetooth Low Energy (BLE) Support