英文關鍵字
telecom
network
communication
cellular
tower
antenna
telecommunication
mobile
technology
phone
sky
working
radio
satellite
aerial
view
equipment
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