DB-DB
DB-DB stands for Database to Database
DB-9
DB-9 stands for Serial Communications D-Shell Connector, 9 Pins
DB-BLC
DB-BLC stands for Dual-Band Branch-Line Coupler
DB-BPF
DB-BPF stands for Dual-Band Bandpass Filter
DB-25
DB-25 stands for Serial Communications D-Shell Connector, 25 Pins
dB(A)
dB(A) stands for A-Weighted Decibel
DB MW
DB MW stands for Decibel (referenced to milliwatts)
dB nHL
dB nHL stands for Decibel Above Normal Adult Hearing Level
DB LTD
DB LTD stands for Denny & Bros Ltd Shipbuilders
DB MGR
DB MGR stands for Database Manager