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Proxim Wireless works without a wire when it builds nets. The company provides broadband wireless network equipment, including radios, bridges, and access gear. Communication carriers and service providers, enterprises, government agencies, schools, and health care providers use its products to offer network access, build video surveillance and public safety systems, and provide telecom backhaul connections. Proxim sells its products worldwide through distributors, resellers, systems integrators, and OEMs. Its engineering team works with channel partners and end users.

Purple Communications, Inc., together with its subsidiaries, provides video and text relay services, and professional interpreting for deaf, hard-of-hearing, and speech-impaired persons primarily in the United States. The company offers Internet protocol text relay services that enable deaf or hard of hearing callers to use an Internet-connected computer or wireless handheld device to place calls, which are connected to a relay operator under the ‘IP-Relay’ and ‘i711’ brands. It also provides video relay services, which enable a deaf caller to make a call by communicating with a sign language interpreter over a live video connection primarily under the ‘Purple Language Services’ and ‘i711’ brands. In addition, Purple Communications offers infrastructure and interpreting services for video relay services; and community interpreting services in situations where relay services may not be available or ideal. The company was formerly known as GoAmerica, Inc. and changed its name to Purple Communications, Inc. in February 2009. Purple Communications was founded in 1996 and is headquartered in Novato, California.

Antennas are par for the course at Q-Par Angus. The company makes microwave antennas, including broadcast, split reflector, broadband steerable, prime focus, and waveguide horn antennas. The company also makes antenna positioners, controller software, adaptors, polarizers, filters, attenuators, and phase shifters. Its research and consulting services range from radiation hazard surveys and microwave materials analysis to distance, depth, and moisture content measurements. Customers include QinetiQ, Thales Underwater Systems, and the UK Ministry of Defence. The company gets about 45% of its sales overseas. Q-Par Angus was founded in 1973 by managing director Richard Holliday and company secretary Jenny Holliday

If you're calling Qatar, you're calling Qtel. Qatar Telecom, commonly known as Qtel, is the exclusive provider of telecommunications services in the small Persian Gulf country. Qtel provides wireline and wireless communications, including national and international long-distance calling, Internet access, and cable television services to nearly 58 million subscribers in 17 countries. The company's joint ventures include Nawras, through which it offers mobile telephone service in Oman, and NavLink, a managed data services venture with AT&T serving businesses in the Middle East. Qatar's government partially privatized Qtel in 1998 by selling a 45% of the company but still retains a 55% stake.

Qiao Xing Mobile Communication brings the ring to Chinese callers on the move. The company, through its primary operating subsidiary CEC Telecom (CECT), manufactures a full range of mobile phone handsets. Qiao Xing offers about 50 different models and sells about 2 million phones a year under the CECT brand and its luxury line, VEVA. Its products, which are based around the GSM wireless standard, are sold to local and national distributors throughout China. The company operates its own manufacturing facilities but also utilizes outsourced services. Qiao Xing Universal Resources owns more than 60% of the company; its largest individual shareholders are brothers Zhi Yang Wu (Chairman) and Rui Lin Wu (Vice Chairman.)

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