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Siemens 發表WiMAX 的室外數據機(英文內容)
(產品新聞, 2008年5月29日)
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Siemens Home and Office Communication Devices (SHC) is enlarging its portfolio of WiMAX end-user devices with the addition of an outdoor modem—the Gigaset SE680 WiMAX, which is based on the IEEE 802.16-2005 standard, complies with Wave 2 specifications, including MIMO (Multiple Input / Multiple Output) A and B, and supports beamforming. The modem is suited to broadband connections at small enterprises or for bridging large distances.
The Gigaset SE680 WiMAX outdoor modem enables high-speed Internet access at data rates of up to 20Mbps and is available as of summer 2008 for the 2.5GHz and 3.5GHz frequency bands. It conforms to Wave 2 specifications and, with its two integrated antennas, supports MIMO (Matrix A and B) and adaptive beamforming so that the signal is amplified between the base station and WiMAX end-user devices. If desired, an external antenna can also be connected to increase the range. Such antennas produce a gain of up to 18dBi at 3.5GHz or 15dBi at 2.5GHz.
An acoustic signal output via the computer during installation helps ensure optimum alignment of the outdoor modem. The compact modem is easy to install, and Power over Ethernet reduces cabling.
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