I am developing a robot who can be driven on The Sea. And I need some modules to connect to the Arduino (one for the robot, and other for the remote control).
I need a range of 400m aprox.
Another thing, is that I need to drive 2 servos. And I developed it for control it through 2G network. But I am having a lot of RFI, and the servos move alone. This topic is treated in other thread.
Can it be possible? Does it exist?
Thanks in advance.