What does HFDM stand for?
HFDM stands for "High Frequency Data Modem"
How to abbreviate "High Frequency Data Modem"?
"High Frequency Data Modem" can be abbreviated as HFDM
What is the meaning of HFDM abbreviation?
The meaning of HFDM abbreviation is "High Frequency Data Modem"
What does HFDM mean?
HFDM as abbreviation means "High Frequency Data Modem"
