Apple(US:AAPL) 半导体行业观察·2025-03-19 00:54Core Viewpoint - Apple is set to introduce its own Wi-Fi 7 chip across all four iPhone 17 models, marking a significant step towards vertical integration and reducing reliance on external suppliers like Qualcomm and Broadcom [1][2]. Group 1: iPhone 17 and Wi-Fi 7 - All four iPhone 17 models are expected to feature Apple's custom-designed Wi-Fi 7 chip, with completion of the design anticipated in the first half of 2024 [1]. - The iPhone 16 series already supports Wi-Fi 7, making this development less surprising, but the fact that Apple is designing its own chip is noteworthy [1]. - Wi-Fi 7 allows simultaneous data transmission across 2.4GHz, 5GHz, and 6GHz bands, potentially offering peak speeds exceeding 40 Gbps, which is four times faster than Wi-Fi 6E [2]. Group 2: Proxima Chip and Smart Home Strategy - Apple's development of its Wi-Fi and Bluetooth chip, codenamed Proxima, signifies a major shift in its smart home strategy, with initial testing on devices like Apple TV and HomePod mini [4]. - The transition from Broadcom components is expected to begin in 2025, which may reshape the interaction of Apple devices within the home ecosystem [4]. - Proxima chip aims to enhance device synchronization, improve power efficiency, and provide customized features for the Apple ecosystem [5]. Group 3: Financial Impact and Strategic Implications - Following the announcement of Apple's plans, Broadcom's stock fell by 3.9%, reflecting the financial implications of Apple's move, given that Apple accounts for approximately 20% of Broadcom's revenue [6]. - The development of Proxima is part of a broader strategy for Apple to create an end-to-end wireless solution, paving the way for new device formats and potentially impacting the future of Apple's product line [6].