英文關鍵字
antenna
analogue
linear
signal
callsign
frequency
radio
television
tv
station
telecommunications
broadcasting
network
upfront
industry
wireless
connection
receiving
transceiver
equipment
microwave
amplitude
wave
radiation
danger
electromagnetic
bandwidth
communication
technology
global
communications
news
information
distribution
engineering
data
big
service
transportation
surveillance
oldfashioned
retro
antique
rooftop
cloud
sky
video
hd
horizontal
people
close
up
tower