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Here's the crazy dual antenna tuning tech that made the bezel-less Nubia Z9 possible

Posted: , by Luis D.

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Here's the crazy dual antenna tuning tech that made the bezel-less Nubia Z9 possible
This probably isn't immediately apparent, but accomplishing the Asian monster that is the new Nubia Z9's virtually bezel-less screen was a nightmare for the engineers who had to fit an antenna in this thing, and make it work. The smartphone's screen extends to the very edges of the device, which leaves the antennas with little room to work. A tradtional antenna design wouldn't have cut it for the non-traditional Z9, hence ZTE recruited Cavendish Kinetics's high-performance RF MEMS tuning solution. So the Nubia Z9 ended up as the world's first smartphone to use Cavendish’s SmarTune™ tech. This is a dual antenna tuning approach that uses two independent tuners. It's based on small, highly efficient narrow-band antennas, rather than traditional wide-band ones, which lets the Z9 attain optimal performance across all LTE frequencies. This wouldn't have been possible with wide-band antennas.

In addition to its unique, at the moment, wireless technology, and its exquisite design, the Nubia Z9 packs a top-shelf hardware spec sheet. The smartphone has a 5.2-inch 1080p resolution screen and is powered by Qualcomm's Snapdragon 810 chipset, along with 3GB or 4GB of LPDDR4 RAM. There are 32GB or 64GB of internal storage on-board, and depsite being thin and slim, the handset is fitted with a 2,900 mAh battery. The Z9's main camera relies upon a 16-megapixel, 1/2.6" Sony IMX234 sensor, along with an 8-megapixel Sony IMX179 sensor for the front cam. There's also a dedicated AKM AK4961 Hi-Fi chip to appease audiophiles. 

On top of all that, the Nubia Z9 has an innovative gesture control scheme. Dubbed FIT, it allows users to squeeze or slide over the Z9's side bezels, triggering different shortcuts or actions. For example, sliding down the side bezels with both fingers turns the screen off, while a double squeeze takes a screenshot. While this isn't the kind of innovation that moves the industry's mountains, ZTE's ingenuity is certainly to be congratulated!


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posted on 12 May 2015, 09:43 7

1. hafini_27 (Posts: 889; Member since: 31 Oct 2013)


Cool stuff. I am starting to think that Chinese smartphones are becoming more interesting to hear about.

posted on 12 May 2015, 16:49

11. Simona (unregistered)


Sexyyy ladyyy

posted on 12 May 2015, 09:51 1

2. Jason2k13 (Posts: 1230; Member since: 28 Mar 2013)


major brands like Samsung, LG, and HTC will soon follow and make bezeless phones either in 2016 or 2017.

posted on 12 May 2015, 11:13

6. hound.master (Posts: 1044; Member since: 27 Feb 2015)


Well should the Apple follow this too slim, thin it seems a lot like iPhone.

posted on 12 May 2015, 10:25 3

3. Niva. (Posts: 429; Member since: 05 Jan 2015)


These look like cool devices and apparently good hardware, but until they start shipping with pure Android the software will always be a concern. I'm not interested in "cool gestures" and what the phone will do when I squeeze it (which will probably happen any time I handle it) but if it will work efficiently and without gimmicks, be promptly updated to the latest rev of Android, and properly support the English language. Motorola is the only company that has done well in this regard, but they are too stupid with their exclusives and really aren't interested in selling their devices to all customers (example: Droid Turbo.)

Huawei also is renown for it's antenna and great signal quality, but that software prevents more buyers from seriously considering these phones.

Anyways, better luck to these startups.

posted on 12 May 2015, 10:49

4. Oltechfak (Posts: 9; Member since: 28 Apr 2015)


Deciding on what smartphone to buy this year is gonna be so hard.

posted on 13 May 2015, 04:33

15. JumpinJackROMFlash (Posts: 453; Member since: 10 Dec 2014)


Not really. S6 right now and Note 5 in winter.

posted on 12 May 2015, 11:10 3

5. lyndon420 (Posts: 4727; Member since: 11 Jul 2012)


She needs some meat on her bones.

posted on 12 May 2015, 11:47 1

7. Hatshipuh (Posts: 137; Member since: 09 Aug 2012)


And yet chinese companies will forever be known as copycats only.

posted on 12 May 2015, 13:27

9. Asa17 (Posts: 22; Member since: 05 Sep 2014)


And they have only themselves to thank for it.

posted on 12 May 2015, 13:51

10. Hatshipuh (Posts: 137; Member since: 09 Aug 2012)


Just like any other racist stereotype of any nation?

posted on 12 May 2015, 20:16

13. Af1rPA (Posts: 710; Member since: 12 Jun 2014)


They're also known for putting spyware in their phones.

posted on 13 May 2015, 04:02 1

14. TechNerd (Posts: 66; Member since: 03 May 2014)


How about NSA then?

posted on 12 May 2015, 19:31

12. exran (Posts: 61; Member since: 02 May 2015)


That red circle on the bottom bezel is a no-no for me.

posted on 13 May 2015, 06:54

16. osbert (Posts: 125; Member since: 02 Jul 2014)


Bezel-less apart from the enormous bezel.

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