(For friends who are inseparable from the Internet, it has become a troublesome problem to surf the Internet when going out. 3G is good or not, but the current price is not affordable for ordinary people, so it is not realistic now. For everyone, the most effective one is GPRS, CDMA Internet access services may be able to find free WiFi wireless networks. However, GPRS and CDMA in general, the network speed is still too slow, and the WiFi close to the wired Internet speed is the most dazzling)
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