Disconnecting antennas and removing the AirPort Card.

A single T6 Torx screw secures the standard PCI-e wireless board to the custom board it's mounted on.

Even after removing the silver EMI shield, it's challenging to read the main Wi-fi chip. It's an Atheros AR9280.

The two identical chips near the antenna connectors are SiGe Semiconductor 2593A20 power amplifiers.