What does COS stand for?
COS stands for "Carrier Operated Squelch"
How to abbreviate "Carrier Operated Squelch"?
"Carrier Operated Squelch" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Carrier Operated Squelch"
What does COS mean?
COS as abbreviation means "Carrier Operated Squelch"
