What does USM stand for?
USM stands for "Ultra Spectral Modulation"
How to abbreviate "Ultra Spectral Modulation"?
"Ultra Spectral Modulation" can be abbreviated as USM
What is the meaning of USM abbreviation?
The meaning of USM abbreviation is "Ultra Spectral Modulation"
What does USM mean?
USM as abbreviation means "Ultra Spectral Modulation"
