What does SUB stand for?
SUB stands for "Squelch Upgrade Board"
How to abbreviate "Squelch Upgrade Board"?
"Squelch Upgrade Board" can be abbreviated as SUB
What is the meaning of SUB abbreviation?
The meaning of SUB abbreviation is "Squelch Upgrade Board"
What does SUB mean?
SUB as abbreviation means "Squelch Upgrade Board"
