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