Hidden Frequencies Spies Communicate On

You do not find secret messages by staring at the loud parts of the dial. You find them by tracking the silences that never stay silent for long. In this brief I map the slices of spectrum professionals use when they need reach without attention. I lay out the decisions that drive band choice, power, timing, masking, and the protective outcomes that keep your team from exposure.

Read the spectrum like a street map and you stop chasing phantoms. Every band has a signature and every tactic leaves residue. Learn the signatures and you start to see the routes others believe are invisible.