Communicating across long distances was a testament to one's civilizational prowess. Instantaneous global communication had been one of mankind's greatest accomplishments. And it was a feat that had only truly been achieved in the last century.
But when the world came to an end, so too did the ease with which people could contact one another, trade, or convey meaningful strategic information.
The satellites were the first things to go. How long they had been rendered unusable, few knew the answer, but it was certainly before the first storm ever hit the ground.
And after the snow fell, power grids failed, telephone wires snapped or toppled over. And the internet became a thing of the past.
By now, the most effective means of communication was short to medium range radio waves. With most capable powers emerging among the snow prioritizing obtaining VHF/UHF radios and building systems capable of projection.
