English 
directional antenna
translation - directional antenna translate | English dictionary
- direction of view
- direction-indicator lamp
- direction-indicator signal
- directional
- directional aerial
directional antenna
- directional array
- directional arrow
- directional beam
- directional bridge
- directional communications
- directional constant
- directional coupler
- directional diagram
- directional direction finding
- directional effect
- directional filter
- directional focussing
- directional isolator
- directional key
- directional null
- directional pattern
- directional power meter
- directional radiation
- directional radio beacon
- directional reception
- directional sensitivity
- directional stability
- directional traffic
- directional transmission
- directional transmitter
