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Cellular 4G/LTE Channel

Fujitsu develops GaN PA with world's highest output performance for W-Band wireless transmissions

Fujitsu Ltd. and Fujitsu Laboratories Ltd. announced the development of a gallium-nitride (GaN) high-electron mobility transistor (HEMT) power amplifier for use in W-band (75 to 110 GHz) transmissions. This can be used in a high-capacity wireless network with coverage over a radius of several kilometers.


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Radio Frequency Systems unveils 90 new high-performance passive DAS products

Radio Frequency Systems (RFS), a global wireless and broadcast infrastructure specialist, has enhanced its portfolio of passive RF components with an entire suite of new products – 90 in all – to provide a full range of solutions for all wireless in-building commercial and mission-critical communications requirements. New products complement RFS’ comprehensive line of low loss RF feeder cables and jumpersfor DAS and include passive DAS components such as couplers, power splitters, tappers and hybrid combiners.


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Sony acquires Altair Semiconductor, Israeli innovator of LTE modem chip technology

Sony Corp. has reached an agreement with Altair Semiconductor and its major shareholders to acquire the company. The purchase price is $212 million (approximately 25 billion yen), and Sony expects to complete the acquisition in early February 2016. Altair, an Israel-based company, owns modem chip technology and related software for LTE (Long Term Evolution), a 4G cellular standard for mobile devices. Altair develops and sells products focused on LTE technology, and its modem chips stand out for their low power consumption, high performance and competitive cost.


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Analog Devices' PLL with VCO synthesizer improves base station performance

Analog Devices Inc. introduced a phased-locked loop (PLL) synthesizer with integrated voltage-controlled oscillator (VCO) that allows mobile network operators to improve cellular base station performance and the quality of wireless service. The new ADF4355 PLL with VCO synthesizer operates up to 6.8 GHz, a frequency band that allows significant margin to industry's current carrier frequencies.


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