1 x USB Disk Board Serial WiFi Probe MAC Acquisition Analysis Passenger Flow
Description:
The does not send a , but only the receiving end, which is used to receive signals sent by the mobile phone and the router.
Therefore, the coverage of the acquisition is determined by the coverage of the mobile phone and router (transmitted strength).
It is recommended to use it within a of 30 meters ( × 30 × 30 = 2800, that is, about 2800 square meters of coverage), usually empty to 50-100 meters, the limit distance of 1000 meters
Acquisition speed
1. WiFi has 13 channels. Because the signals of mobile phones and are distributed in different channels, 13 channels must be traversed and scanned once. Each channel scan takes about 250 milliseconds, that is, it takes about 3 seconds to round. Clock (channel switching time).
2. The experience value is about 80% of the be collected in 1 round, and more than 95% can be collected in the scan 2 rounds. Therefore, it is recommended to stay in place and wait for scanning 1~2 rounds.
Specification:
Product detailed size: 44.2x22mm/1.74x0.87inch
Package Includes:
1 Piece Serial WiFi
1 Piece White shell