IT之家 5 月 16 日新闻，8Bit?Mods 团队今天（5 月 16 日）在 X 平台宣布推文，宣布推出? VMU Pro，一款?专为世嘉 Dreamcast 设计的升级版存储卡，售价?为 81.24 美元（IT之家注：现汇率约合 586 元人民币），预估将于 10 月发货。

世嘉 Dreamcast 作为一款超前时代的游戏机，其奇异功效之一即是 Visual Memory Unit（VMU），不但是市场上早期的存储卡，还内置屏幕?和控制按键，让玩家能在脱离主机后体验迷你游戏。IT之家附上演示视频如下：

8BitMo?ds 最新推出的 VMU Pro 不但保存了原版 VMU ?的所有功效，完全?向下兼容，还升级为支持 8 位游戏的掌上模拟器。

VMU Pro 内置对 Game Boy、Ga?me Boy Color、NES、Game G?ear ?和 Master Sys?tem 等平台的模拟器，支持 1.5 倍缩放以适配背光 IPS 彩色屏幕，还配备 Bluetooth LE 蓝牙功效，提供比内置单?声道扬声器更优质的音效。

存储方面，VMU Pro 支持高达 2TB 的 microSD 卡，相当于 1500 万个原版 VMU 的容量。用户可通过毗连?装备转移旧 VMU 的存档，或通过 Wi-Fi 将数据自动备份?至 Google Drive?，甚至在两台 VMU Pro 之间无线传输。

相比原版 VMU 频仍替换纽扣电池的痛点，VMU Pro 配备 720mAh 电池，满?电情形下模拟游戏可一连 6 小时，?若是当古板存?储卡使用，可以持?续 1 个月时?间。

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• Siemens' plans for a one gigabit network may be more than a user needs today, but Christoph Caselitz, president of the mobile networks division at the firm says that: ""By the time the next generation of mobile communication debuts in 2015, the need for transmission capacities for voice, data, image and multimedia is conservatively anticipated to rise by a factor of 10."" Siemens - in collaboration with the Fraunhofer German-Sino Lab for Mobile Communications and the Institute for Applied Radio System Technology - has souped up mobile communications by using three transmitting and four receiving antennae, instead of the usual one. This enables a data transmission, such as sending a big file or video, to be broken up into different flows of data that can be sent simultaneously over one radio frequency band. The speeds offered by3G mobile seemed fast at the time mobile operators were paying huge sums for 3G licences. But today, instead of connecting to the internet by slow, dial-up phone connection, many people are used to broadband networks that offer speeds of 0.5 megabits a second - must faster than 3G. This means users are likely to find 3G disappointing unless the networks are souped up. If they aren't, those lucrative ""power users"", such as computer geeks and busy business people will avoid them for all but the most urgent tasks, reducing the potential revenues available to mobile operators. But one gigabit a second systems will not be available immediately. Siemens says that though the system works in the laboratory, it still has to assess the mobility of multiple-antennae devices and conduct field trials. A commercial system could be as far away as 2012, though Siemens did not rule out an earlier date.
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