Luckily, more details of this WCDMA device have been trickling out of Sina Weibo since then.
Broadcom's VoLTE service consumes approximately 40 percent less power than a comparable WCDMA voice call.
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As for radios, you get the usual WiFi, GPS and Bluetooth 4.0, but there's only WCDMA 2100 for 3G.
Telecommunications experts predict that most GSM countries will adopt a 3G standard known as Wideband Code Division Multiple Access (WCDMA).
If you can call a proprietary 3G protocol that lags its CDMA and WCDMA competition by years a "technical achievement, " anyway.
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Japan's NTT DoCoMo's 3G launch, using WCDMA, has been slow to take off, while its rival, KDDI, using CDMA, has been gaining customers quickly.
Toshiba says it needs the German company's experience in making GSM since the first 3G models offered in Europe will be dual mode (GSM and WCDMA).
The three flavors are known as 802w, 802t and 802d, each heading to China Unicom (WCDMA), China Mobile (TD-SCDMA) and China Telecom (CDMA), respectively.
There's also a memory card reader, a SIM slot for quad-band 3G (WCDMA) and Bluetooth 4.0, in case you want to pair it with any wireless peripherals.
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This is because GSM accounts for almost 70% of the mobile phone market in emerging markets, and WCDMA is specifically designed to be compatible with GSM core network.
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This and other dual-core and quad-core smartphone products supporting TD-SCDMA, WCDMA and LTE will expand our addressable market, improve our product mix and position us for strong growth this year.
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Qualcomm holds patents in CDMA, WCDMA, OFDMA technology and is the leader in the baseband chipset market based on this technology with a market share of around 65% as of 2010.
Europe's 3G is based on one broadband technology, WCDMA. A rival technology is CDMA. Experience in Japan, the first country where 3G has been launched, suggests that CDMA may have the edge.
However, we've already spotted a China-bound version for China Unicom's WCDMA network, the Desire 606w, and if we're honest, we'd probably be happier to see the rumored M4 make an official showing.
Looks like Nokia's announced their new E60, E61, and E70 3G (WCDMA) phones with WiFi and mobile mail targeting mobile business users (yes, it's got GoodLink, Nokia Business Center, Seven Always-On, Visto Mobile, and BlackBerry Connect support).
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The rest of the Vivo X1, however, is more bog-standard in comparison: MediaTek MT6577T processor (1.2GHz, dual core, Cortex-A9), 4.7-inch 960 x 540 IPS display, 1GB RAM, 16GB built-in storage, eight-megapixel main camera, 1.3-megapixel front-facing camera and WCDMA 2100 3G radio.
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The rest of this Android 4.1.2 phone is a bit of a mix: there's a 4.5-inch 960 x 540 display, a quad-core 1.2GHz processor, 1GB RAM, an 8-megapixel main camera (so not UltraPixel), a 1.6-megapixel front-facing camera, WCDMA radio and microSD expansion.
Let's start with the basics: the main specs on our unit include Android 1.6 (which will definitely be obsolete for the final product), five-inch 800 x 480 capacitive touchscreen, Snapdragon QSD8250 chipset (with CPU clocked at 1GHz), Bluetooth, WiFi, GPS and WCDMA radio.
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The SGH-T639 for T-Mobile looks like a fitting big sib to the Stripe, offering Bluetooth, a 1.3 megapixel camera, 220 x 176 primary display, changeable faceplates, and microSD expansion with 30MB on board -- all curiously without any mention of that beloved AWS band WCDMA we (and the FCC) heard this phone would rock.
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