Overview

• Leaked internal code suggests the upcoming M5 MacBook Air models (codenamed J813 for 13-inch and J815 for 15-inch) will feature an Apple-designed wireless chip.
• The module is expected to combine Wi-Fi and Bluetooth functions in a single package, continuing Apple’s move toward integrated wireless solutions.
• Analysts estimate that the refreshed M5 MacBook Air could arrive as early as Q1 2026, while other reports tip a launch in the second half of 2026.
• Apple’s in-house wireless silicon strategy began with the iPhone 16e’s C1 modem and aims to reduce reliance on Broadcom and Qualcomm components.
• The custom chip is projected to improve power efficiency and battery life by leveraging tighter hardware-software integration.