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上海西门子移动通信有限公司于１９９９年６月底正式在中国推出西门子Ｓ２５８８“智囊”双频移动电话。这款双频三速率移动电话是西门子移动通信公司今年推出的最重要的手机产品，它主要针对高级用户市场。Ｓ２５８８仅重１２５ｇ，尺寸为１１７ｍｍ×４７ｍｍ×２３．５ｍｍ
Shanghai Siemens Mobile Communications Co., Ltd. officially launched the Siemens S2588 “think tank” dual-band mobile phone in China at the end of June 1999. The dual-band, three-rate mobile phone is the most important mobile phone product introduced by Siemens Mobile Communications this year and is aimed at the advanced user market. S2588 weighing only 125g, size 117mm × 47mm × 23.5mm