英文關鍵字
contact
communication
telecommunication
technology
tower
antenna
analog
transmitter
connection
devices
internet
network
broadcasting
wireless
wifi
radio
cellular
signal
receiver
electronic
cloud
storage
process
station
satellite
equipment
broadcast
5g
high
speed
frequency
4g
networking
service
connect
business
communicate
conversation
global
media
icon
motion
animation
hd
animated