1, The parents use GPS tracker to control the whereabouts of children and the elderly, to avoid people getting lost or accident.
2, Parents provide individual GPS tracking device for child who is going to school in different places, which can set the Electronic Circuit block activity area, to ... Views: 694
With the development and deepening of 3G network business and the open era of LTE, the time synchronization problem of wireless mobile services highlights continuously.
In the past, mobile networks, all time synchronization are a by way of base stations of direct external GPS ... Views: 782
Outdoor Activities are popular among young person, as young people participate in a variety of sports and hobby activities, This situation posed us new prospects. Professional outdoor sports equipment is great demand for policy-based Marketing. Here are 10 outdoor Necessary tools or Outdoor ... Views: 2274