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Manual Click to open http myosuploads3 banggood com products 20190213 20190213235834SKUA69551 rar Acquisition range 1 Probes do not send signals but only the receiving end which is used to receive signals sent by mobile phones and routers 2 The acquisition coverage is determined by the signal coverage signal intensity of mobile phones and routers 3 It is suggested that the collection effect is better when the radius is less than 30 meters pi 30 30 2800 i e the coverage area of about 2800 square meters Usually the open space can reach 50 100 meters and the limit distance is 1000 meters Acquisition speed 1 WiFi has 13 channels Because the signals of mobile phones and routers are distributed in different channels 13 channels need to be scanned once Each channel scan takes about 250 milliseconds that is to say it takes about 3 seconds channel switching time 2 Experience value is that about 80 of scanners can be collected in one round and more than 95 in two rounds so it is recommended to stay in one place and wait for 1 2 rounds of scanners Power bank The advertising machine is powered by 5V with an average working current of 100mA Charging power bank with 20000 mAh capacity can work 20000 80 100 160 hours at 80 efficiency iPhone The Apple mobile phone only has a random MAC during the probing phase ie no WiFi is connected and the other phases are real MAC So the probe can grab a random mac if the Apple phone is not connected to the
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