【苹果4s的wifi模块在哪里】The WiFi module in the Apple iPhone 4S is located at the top of the device.
It is situated near the rear camera and the power button, behind the metallic cover.
This module connects the iPhone to available WiFi networks, enabling wireless internet access.
It operates on the 2.4 GHz frequency band and supports 802.11b/g/n standards.
