4All this congestion is already straining the capabilities of the last Wi-Fi standard, 802.11n, and slowing down your digital life. For example, downl
5Figure 1-1: Bandwidth is the size of the data pipe.
6 ✓ Coverage: 802.11ac delivers more speed at further distances than 802.11n for better home coverage. ✓ Battery life: Because data is transferred mor
Chapter 2Getting Wi-Fi SmartIn This Chapter▶ Making sense of Wi-Fi standards▶ Shifting from one speed to multispeed Wi-Fi▶ Understanding why 802.11ac
8Deciphering Wi-Fi StandardsTable 2-1 shows the progression of 802.11 Wi-Fi stan-dards. As you can see, each new standard sports a dif-ferent letter:
9One Speed to MultispeedEach of the original 802.11 standards (802.11a, b, and g) supported up to one maximum speed. For example, any device with 802.
10Fatter streams of joyThe number of antennas in a Wi-Fi product determines the number of streams available. These multiple streams transmit data simu
11I’m with the 5 GHz bandWi-Fi works over two spectrum bands: 2.4 GHz and 5GHz. Older 802.11bgn uses the 2.4 GHz frequency, which is a crowded space
12It Takes Two to Wi-FiAt the center of any Wi-Fi network or hotspot is a device called an access point, or AP. The AP connects Wi-Fi enabled devices
13the maximum data rate reaches up to 867 Mbps. If the 802.11ac Wi-Fi adapter is 1x1, the maxi-mum speed drops to the capability of the 1x1 adapter, w
14Using Wi-Fi in the Real WorldWi-Fi products are often touted by their raw maximum speeds. In the real world, however, the difference between the raw
15Sharing, the good and the badOne of the great things about Wi-Fi is its capability to share Internet connections across devices in a hotspot. Howeve
16 (867 Mbps ÷ 2) ÷ 1 client = ~433 Mbps per client (867 Mbps ÷ 2) ÷ 2 clients = ~216 Mbps per client (867 Mbps ÷ 2) ÷ 3 clients = ~144 Mbps per cl
Chapter 3Choosing the Right Wi-FiIn This Chapter▶ Seeing the benefits of 802.11ac versus 802.11n▶ Ensuring backward compatibility▶ Using 802.11ac in t
18To make sure you’re getting 802.11ac, you need to look under the hood, as described later, in the “Which Wi-Fi Is Inside?” section. Which Wi-Fi st
19Backward to the FutureThe Wi-Fi universe includes different Wi-Fi standards. As you cruise from hotspot to hotspot, you never know what to expect in
20 ✓ NetGear: www.netgear.com ✓ Trendnet: www.trendnet.comWhich Wi-Fi Is Inside?If you’re test-driving a PC at a retail location, you can see which W
21Microsoft Windows 7Follow these steps to find the type of Wi-Fi adapter in a PC running Microsoft 7: 1. Choose Start➪Control Panel. 2. Click Sy
22Band Wireless-AC Wi-Fi adapter. The adapter supports the following key features: ✓ With Intel Wireless Display (Intel WiDi for short), you can strea
23 ✓ View Web videos, Internet TV, or streaming movies ✓ Enjoy social media from the comfort of your couchVisit intel.com/go/widi to learn more about
by David AngellNext-Gen 802.11ac Wi-Fi Intel Special Edition
24Intel Smart Connect Technology also enables your computer to send updates to the cloud if you create something while you’re away from a network conn
Chapter 4Top Ten Shopping TipsIn This Chapter▶ Buy for tomorrow▶ Think throughput▶ Upgrade your access point▶ Look under the hood▶ Ask for IntelI t’s
26streaming, the rapid rise of multiple-device house-holds, longer connections to the cloud, and the prolif-eration of Wi-Fi enabled devices of all ki
27speed of any Wi-Fi device by 50 percent. (Throughput is a more precise measurement of Wi-Fi network speed that takes into account network overhead a
28Ask for IntelCombine an Intel Dual Band Wireless-AC 802.11ac adapter with a 4th Generation Intel Core processor and you can experience the following
Next-Gen 802.11ac Wi-Fi For Dummies®, Intel Special EditionPublished by John Wiley & Sons, Inc. 111 River St. Hoboken, NJ 07030-5774 www.wiley.com
Contents at a GlanceChapter 1: Connecting to Your Digital Life ... 1About This Book ...
Intel DisclaimersSoftware and workloads used in performance tests may have been optimized for performance only on Intel micro-processors. Performance
Chapter 1Connecting to Your Digital LifeIn This Chapter▶ Experiencing your congested, connected life now▶ Moving to the fast lane with 802.11ac Wi-Fi▶
2About This BookIf you’re thinking about buying a Wi-Fi enabled device or upgrading your Wi-Fi network at home, this is the book for you. In today’s h
3No device is an islandThe same wireless convenience that you enjoy in your mobile computing devices is driving the explosion of Wi-Fi in consumer ele
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