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At first, the AirPort card in the MacBook Pro looks very similar to the one that we pulled out of the Mid 2012 MacBook Air.

Closer inspection, however, reveals otherwise:

Broadcom BCM4331 single-chip 802.11n dual-band wireless solution

Broadcom BCM20702 single-chip Bluetooth 4.0 HCI solution with Bluetooth Low Energy (BLE) support

Skyworks WiFi Block

2xSE5515 Dual-Band FrontEnds

2.4GHz SE2598L and 5GHz SE5019T transmit power amps

2.4GHz SKY65405 and 5GHz SKY65404 reception low-noise amps

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