March 2026
Intermediate to advanced
400 pages
15h 45m
English
Content preview from WIRELESS & MOBILE DEVICE SECURITY Third Edition, 3rd Edition
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Bluetooth Versions and Architecture
Bluetooth is a short-range RF communications protocol initially developed as a wireless replacement for the serial interface RS-232, which was a popular short-range interface for computer peripherals. Bluetooth operates in the 2.4 GHz frequency spectrum as a low-cost, low-power radio interface used to connect personal wireless devices such as headphones, tablets, mobile music players, and smartphones. Bluetooth is heavily associated with the concept of the wireless personal area network (WPAN), because it enables wearable or mobile wireless devices to peer with each other to form ad-hoc wireless networks. Bluetooth‘s purpose is to connect peripherals to computers. Bluetooth is widely employed in business and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.