Definitions
Wiktionary
- n. A device that is capable of operating in two frequencies. On a wireless network, dual-band devices are capable of operating in both the 2.4GHz (802.11b/g) and 5GHz (802.11a/n) bands. In cellular phone technology, dual-band devices typically operate in both the GSM900 and GSM1800 frequencies, allowing a greater number of roaming options.
Examples
“The TV has a lot of features, including an edge LED backlight with local dimming, built-in dual-band Wi-Fi, and the company's VIA suite of Internet services, including streaming movies from Amazon, Blockbuster, Netflix and Vudu.”
“Apple suggests at a KnowledgeBase support page that the issue might involve dual-band routers that can set up separate networks for each frequency range, but keep the same names or have separate security protocols.”
Apple’s Suggestions For Fixing iPad Wi-Fi Issues | Lifehacker Australia
“Vizio XVT553SV TruLED, $1,900: This 55-inch 1080p LCD TV has lots of features, including full-array LED backlight with local dimming, 240Hz technology, built-in dual-band Wi-Fi, and access to the Vizio Internet Apps (VIA) online service.”
Consumer Reports: In the CR TV Test Labs: New LCD TVs include a Sony 3D set, four new Vizios
“Vizio XVT373SV Razor LED, $900: This ultra-slim 37-inch 1080p LCD TV has loads of features, including an edge LED backlight with local dimming, built-in dual-band Wi-Fi, and access to the Vizio Internet Apps (VIA) online service.”
Consumer Reports: In the CR TV Test Labs: New LCD TVs include a Sony 3D set, four new Vizios
“Vizio XVT423SV TruLED, $1,150: This 42-inch 1080p LCD TV is loaded with features, including a full-array LED backlight with local dimming, 240Hz technology, built-in dual-band Wi-Fi, and access to the Vizio Internet Apps (VIA) online service.”
Consumer Reports: In the CR TV Test Labs: New LCD TVs include a Sony 3D set, four new Vizios
“It costs $495 for a single-band version and $795 dual-band.”
“Apple says the Internet-related problems can occur with third-party Wi-Fi routers that are dual-band capable if more than one network has the same name or someone had different security settings for the different networks.”
“Both the $99 and $129 players have HDMI out, and the new HD-XR has advanced Wi-Fi 802. 11n dual-band wireless to receive what Roku says is a stronger, better signal.”
“Other common features include built-in dual-band Wi-Fi and a Bluetooth remote with a built-in QWERTY keyboard.”
Consumer Reports: CES 2011: Vizio launches 21:9 ultra-widescreen 3D HDTVs
“Both types of devices will also have built-in dual-band Wi-Fi, a new interface overlay that includes onscreen navigation and Web browsing, and a Bluetooth QWERTY universal remote control with a touchpad.”
Consumer Reports: CES 2011: Vizio to debut Google TVs, plus its first tablet and cell phone
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