网速是4G的20倍！三大运营商实现5G通话，终于等到这一天了
在4G网络还没有出现之前，我们用的都是2G网络。随着通信技术的突飞猛进， 5G时代也即将到来。中国移动、中国联通和中国电信这三大运营商在5G网络这一块取得了很大的发展，而且中国移动联合中兴通讯在珠江新城5G站点下成功实现双5G手机的语音、视频通话验证，这标志着5G手机终端已具备在外场全面商用的能力。
相信在不就的未来，我们就要像5G迈进。中国联通和中国电信也不甘落后，开展了5G终端的商用测试，这三大运营商都在为即将到来的5G试商用网络做最后阶段的冲刺准备。这三大运营商关于5G网络有着不一样的进度。中国电信目前试点是上海、苏州、成都、兰州、深圳、雄安这六个城市，也许后期还会连续增加。
在3月份会推出超过1200台5G终端进行测试，为即将商用做准备。中国联通5G网络试点比中国电信要多一点，它在北京、武汉、青岛、天津、南京、上海、杭州等十六个城市同时进行5G网络的搭建。而且首批5G测试机已经交付，预计在2019年第四季度5G商用终端会大规模上市。
而中国移动在去年12月8日的5G创新合作峰会上对外正式宣布，将在广州、苏州、武汉等17个城市启动5G网络的试验以及应用示范。并且今年第三季度将在国内完成可商用5G网络的搭建工作。看来中国移动5G网络的发展速度要比中国移动和中国电信快一点。
预计在2019年今年第三季度，能在国内完全建成可商用化的5G网络，到时候这三大运营商所建立的这几个试点，也就是这些重点城市将是首批开始试用商用化5G网络的。除了三大运营商在努力之外，国内的手机厂商也在不断努力着，争取在5G网络到来之前推出5G手机。其中华为和中兴都比较超强，小米、OPPO、vivo等根本无法相比，预计最新推出5G手机的应该是华为或者是中兴。
很多人会担心5G网络到来之后我们需要更换SIM卡，其实大家的担心是多余的。因为5G手机是向下兼容4G、3G、2G网络的，不过手机还是要换的，因为4G手机不支持5G网络，因此大家要担心的是未来推出的5G手机应该不会便宜，可能要八千元甚至是上万，对于这个价格可能大多数人是难以接受的。
5G网络出现后，上网速度将提高很多，实现一个质的飞跃。5G网络的速度是4G网络的20倍，以后上网再也不用担心网页加载慢的问题了。
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