英文關鍵字
telecommunication
tower
sky
working
mobile
phone
antenna
radio
satellite
telecom
aerial
view
cellular
network
equipment
technology
communication
transmission
station
broadcast
tv
telecommunications
4g
wifi
5g
wireless
internet
connection
frequency
lte
gsm
transmitter
telephone
broadcasting
closeup
data
receiver
construction
cell
digital
high
dish
signal
transmit
wave
microwave
television
3g
receive
reciever