London-based writer, musician and Mac tinkerer.
What is the fourth antenna lead that connects to the wi-fi card?Hi. There are four antenna leads that connect to the wi-fi / airport card in my Macbook Pro. While three of them are part of ...
Answer to: What is the fourth antenna lead that connects to the wi-fi card?I figured it out. It is in fact the Bluetooth antenna, and it is indeed a separate module to the wi-fi assembly: https://www.aliexpress.com/item/New-Bluetooth-Antenna-Cable-For-MacBook-Pro-15-A1286-2011-Year-Version-MC721LL-A-Laptop-P/1691105968.html