Demons can smell like sulfur, roses, cologne...anything! They can also appear as: an angel of light, a dead person or child, a spirit guide, a healing spirit (reiki), an alien, a fairy, a dwarf, a spirit animal etc! We can't safely discern them! The safest thing to do, is let Jesus and his angels protect us.
The recommendation is therefore that the stimulation should be applied with a 2500Hz carrier medium frequency sinusoidal alternating current, burst at 50 Hz (10ms ON: 10ms OFF) at a maximum tolerable level.
From Wikipedia, the free encyclopedia. Not to be confused with the rate of occurrence within a living population of a broken chromosome that causes a genetic disorder in molecular biology.. In telecommunication systems, Carrier frequency is a technical term used to indicate: Vaguely speaking, the center frequency or the frequency of a carrier wave.