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Understanding 1G vs. 2G vs. 3G vs. 4G - 4G Americas
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日期：2025-12-15
2.5G wireless technology is a stepping stone that bridged 2G to 3G wireless ... 4G Americas does not use the terms 3.5G (or 2.5G) in respect of the official ... and 6.75 bit/s/Hz in the uplink (meaning that 1 Gbps in the downlink should be ......看更多
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