Radio frequency communication spreads out a lot more when transmitting from a far distance, whereas laser-based communication keeps a much tighter beam.
However, it's been said that cell phones can interfere with radio frequencies, potentially harming communication between the pilot and air traffic control.
The department will make sure that newly launched satellites don't use radio frequencies that would interfere with existing satellites, and schedule when such new satellites can be launched.
This contraption also features a car horn and an RF-enabled trap door with dual sweeping silly string canisters that will leave the thief reconsidering their life choices.
In the U.K. for example, 3G and 4G networks were relatively cheap to set up because they were able to roll out on existing frequencies, on the country’s radio spectrum.