Re:Remotely Compromising Android and iOS via a bug in Broadc...
by zero_intp on Sunday July 30, 2017 @02:59PM
(#14887299)
It is required(1). The FCC requires locking down the ability to transmit into regulated frequencies.
1. https://apps.fcc.gov/eas/comments/GetPublishedDocument.html?...
The easiest example being b/g channel 13. You're permitted to use it for WiFi in most of the world, but not North America. Keeping the firmware proprietary and "secure" is likely an important part of their FCC/IC certifications.