Camera equipped RC plane to monitor stretch of highway (variable 10 km to 600+km). Using GPRS/GSM/EDGE/WCDMA/HSDPA. Higher bandwidth available in some stretches, but the entire stretch is GPRS covered. A/C controlled by same method. Camera can be low res if signal weak (say 3 fps).
17 freelancer đang chào giá trung bình $2238 cho công việc này
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