If people can offer suggestions for a particular challenge I have it would be very much appreciated: I am responsible for timing for a rowing event. Using 12v POE IP cameras from a home security system (Swann) and 12v car batteries I would like to set up a point to multipoint network along the side of the lake so that I can capture 500m split times (the 20 fps cameras are sufficient for the particular need I have).

There needs to be a camera at the start, 500 metre mark, 1000 metres, 1500 metres all transmitting to the finish line. The cameras will be on pilings beside the course and there is direct line of sight to the finish line from each piling. There is no power on the pilings. Each camera generates data at about 5 MB/second.

1) Would Nanostation M2's (NSM2?) be appropriate for this task? 5: 4 as stations/1 as multipoint access point

2) can they run on 12v POE or do they require 24v?

I am paying for this myself, so I am trying to be as frugal as functionality permits. 

Please see the image attached for details. There is power at the finish line.

thank you,

Simon

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