Putin had arrived for the dive a day after clipping a satellite transmitter onto a Beluga whale called on Chkalov island in Russia's far east.

This device, developed at the Joint Non-Lethal Weapons Directorate in Quantico, Virginia, is a microwave transmitter the size and shape of a small satellite dish that pivots on top of an armoured car.

This article introduces a kind of design options about the transmitter of high speed digital transmissions in satellite communications, and gives the main hardware realization of the option.