Vodafone Portugal, Comunicacoes Pessoais is the #2 wireless telecommunications provider in Portugal after incumbent carrier Portugal Telecom. The company serves about 4 million subscribers over its nationwide cellular network based on GSM (global system for mobile communications) technology. In addition to mobile telecom services, which include voice and data transmission as well as multimedia downloads and mobile Web access, Vodafone Portugal offers fixed-line voice and data telecom services to corporate clients throughout the country. The company is a subsidiary of UK-based wireless phone carrier Vodafone Group.

The Greek affiliate of UK-based wireless phone giant Vodafone Group, Vodafone-Panafon (also known as Vodafone Greece) offers mobile telecommunications services to about 4 million subscribers. The company's services include Internet access (provided under the Vodafone NET brand), wireless data services including text and multimedia messages, multimedia such as games, music, news, and entertainment programming (Vodafone live!). Vodafone-Panafon sells its services and distributes cell phones from about 400 retail locations and online.

Wi-LAN hopes that its wireless technology patents translate into a license to print money. Prviously a manufacturer of wireless equipment, the company has shifted its efforts to primarily focus on licensing its technology to equipment manufacturers. Wi-LAN has licensed its patents to more than 200 clients who incorporate it into wireless, wireline, and V-Chip (used to filter out inappropriate television programming) technology. Clients have included Cisco, Nokia, Panasonic, and Samsung. The company's portfolio includes over 750 patents.

WILLCOM provides wireless data and voice services to corporate and consumer customers in Japan. The company launched its service in 1995 and is the largest operator employing Personal Handyphone System (PHS) technology. PHS is a kind of stripped-down cellular service with relatively low charges; the technology was developed in Japan and most of its users live in Japan and China. A former subsidiary of KDDI, WILLCOM provides mobile service nationwide in Japan, serving more than 4 million subscribers. The Carlyle Group owns 60% of WILLCOM; Kyocera holds 30% and KDDI 10%. Burdened with debt of more than $2 billion, WILLCOM filed for bankruptcy protection from creditors in 2010.

Wireless phones have usurped Hermes' role as messenger to the Greeks, and WIND Hellas Telecommunications may need to sprout winged sandals of its own to keep up with market leader Hellenic Telecommunications (OTE). WIND Hellas provides mobile voice and data services to about 6 million consumer and business customers throughout Greece. The company enables international roaming in 155 countries for travelling subscribers through agreements with other carriers. It also provides cellular and satellite-based vehicle management and tracking services. WIND Hellas is owned by investment firm Weather Investments, a company led by Cairo-based Orascom Telecom's founder and chairman, Naguib Sawiris.

Wireless Xcessories Group dresses up cellular phones. The company markets and distributes about 3,000 accessory products for wireless phones and other portable devices. Decorative carrying cases, hands-free kits, rechargeable batteries, chargers, antennae, and other items are sold primarily in North America through retailers and distributors, and from its e-commerce Web site; a majority of its products are manufactured in China and Taiwan. Wireless Xcessories also offers ancillary products and services such as retail packaging, displays, posters, and marketing. In addition, the company distributes third-party cell phone products made by Motorola, Nokia, and other cell phone manufacturers.

Wisair's wares send signals whizzing through the air. Wisair designs chipsets used in ultra-wideband (UWB) wireless communications devices. UWB transmissions can carry information at rates much faster than Wi-Fi; Wisair touts its chipsets as enabling Wireless USB home and office connectivity for devices such as printers at low cost and low levels of power consumption. The company's investors include Apax Partners, Intel, and Vertex Venture Capital. Wisair has offices in Israel, Japan, and the US. The company is part of the RAD Group, a corporate family of high-tech firms that are linked by coordinated strategy rather than formal ownership.

Wistron NeWeb is wishing for even more people to buy and use cell phones. The company makes wireless communications equipment, including antennas, mobile handsets, wireless networking equipment (routers, Internet phones, Ethernet cards), satellite radios, and set-top boxes for satellite TV. It sells its products to OEMs and other corporate customers. Other companies in the Wistron Group corporate family include PC, software, and computer component manufacturers. Electronics manufacturer Wistron owns about a quarter of Wistron NeWeb, which was formed in 1996.

XIUS-bcgi hopes US wireless carriers find some of that outsourcing religion. Formerly Boston Communications Group (BCGI), the company offers software and services that help wireless network operators and mobile virtual network operators (MVNOs) manage their billing and payment processes, as well as other back-office functions. Its Voyager Billing and Real-Time Billing products enable customers to track both prepaid and postpaid calling plans, while other systems allow payment using the Web or ATMs. The company also provides software that blocks access to inappropriate content. Megasoft acquired BCGI in 2007 for about $65 million, combining the company with its XIUS telecom division almost immediately.

ZTE Corporation is one of China's largest telecommunications manufacturers. ZTE offers a variety of telecom hardware, including base stations, phones, and systems for switching, optical transport, videoconferencing, power supply, and monitoring. The company sells more than 10 million handsets a year, making it one of the biggest telecommunications equipment exporters in China. China Unicom used ZTE's products in a network construction project that spanned 18 provinces. ZTE was founded in 1985 as Zhongxing Semiconductor Co., Ltd. The company operates manufacturing facilities in 50 countries, with major production operations located in Brazil, Sweden, and the US.

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