Conectivity to a boat

Hi!

I’m trying to give connectivity to a boat that is working from 0 to 5KM from the coast. Later this boat arrives to the coast and the fish travels by car to a company.
As the fish must arrive alive.. to get weight in a fish farm, they need to control “all” the route and send info during the trip from 5KM in the sea to the coast and the coast to the farm, 8km in total. The farm is at 3KM from the coast and we have a point at 19m height in the coast with LOS during all the route.

I know it’s difficult, but wich is the best hardware/freq. to try to do this?


Thanks,

Is 900MHz legal where you are?

If it were my project, I think I’d go with dual radios on each side, 900MHz and 2.4GHz N.

2.4GHz should be fine and 900MHz would be a nice backup should something unexpected happen.

5GHz would probably work better over the water though…

If you can’t use 900MHz, I’d still double up and use 2.4 and 5GHz on each end.

How fast CAR/BOAT will travel. Have in mind that in 802.11 STA moving faster than 3-5 km/h (walking speed) will couse packet loss.

EDIT:

What application are you want to use ? what are traffic demands ? I dont understand do you need to exchange data or use it for radiolocation ?

Now they are using GPRS to get connected with the farm.

They need to send data of the fish.

KG, number of fish, kind of fish, arrival time, etc.. and more stadistics. The problem is that during the trip, they have 1,5KM without GPRS due to a “mountain” (the “mountain” where we can put the antenas).

I think if we have to put 2 kinds of antennas we can’t do the project, because it will be too expensive to replace a working solution.. working bad, but working after all..

Thanks for the help.

Just FYI…

We supply internet to a fish farm and at a distance of around 10kms the CPE panel antenna worked pretty good.
It was a floating barge BUT is in a very tidal area so would go up and down within the day by several meters.

The Hilltop they linked off had a sectoral panel (2.4ghz) looking towards them and we didnt have any problems at all.
The hill top is a few hundred meters high so we didnt get a tidal effect on the signal.

Cheers