GPS+ AGPS+ LBS +Wi-Fi five relocation
GPS dual system simultaneously receives satellite signals, positioning and transmission speed more than doubled. LBS +Wi-Fi using Tencent headquarters background big data support positioning accurate to 99.7%.
Knowledge point: AGPS is a way of running GPS. It can use the information of the mobile base station, and cooperate with the traditional GPS satellite, so that the positioning speed is faster and more accurate.