antenna
beacon
broadcast
broadcasting
cellular
communicate
communication
computer
computing
connection
connectivity
contact
cordless
data
device
different
global
icon
information
insecure
internet
locked
media
mobile
mobility
network
phone
public
radio
receiving
remote
router
safety
secure
service
sign
signal
station
strength
symbol
technology
telecommunications
tower
transmission
unlocked
wave
waves
wife
wifi
wireless