Sick and tired of poor mobile phone reception and slow internet connection in remote areas? I know I am! Want ultra high speed wireless internet connection? Yes please. Well Fujitsu says it has the answer.
Fujitsu has announced a transmission power amplifier that is set to extend the transmission range of wireless communications networks by six times. The development of the gallium nitride (GaN) High Electron Mobility Transistor (HEMT) at the Fujitsu Laboratories has achieved the world's highest output for wireless communications in the millimeter-wave W band.
Fujitsu's new GaN HEMT power amplifier will make high capacity wireless communications possible in regions in which it is unfeasible to lay optical fiber cables. The GaN HEMT technology is able to provide high-bandwidth wireless trunk lines that are capable of data transmission capacities in the range of up to 10 Gbps. This kind of speed is on par with that of optical fiber cabling.
Up until now, Fujitsu and Fujitsu Laboratories have succeeded in producing 350 mW of power using power amplifiers that uses the GaN HEMT. The millimeter-wave W band, however, experiences significant signal attenuation due to factors such as atmospheric absorption and rain, and there has been demand for high-output power amplifiers that can transmit a stable signal across distances ranging from a few kilometers to several tens of kilometers.
Fujitsu and Fujitsu Laboratories plan to work to further improve the performance and expand the frequency spectrum of the new GaN HEMT power amplifier, while at the same time employing the technology in a wide range of applications, including millimeter wave enabled trunk lines and ultra high speed wireless network access.
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