amateur
antenna
bandwidth
cb
close
communicate
communications
emergency
frequency
handheld
isolated
marines
medical
mobile
mobility
objects
organized
palmtop
people
personal
phone
police
portable
radio
receive
receiver
recreational
remote
repeater
safety
scan
scanner
secrecy
security
simplex
system
talkie
talking
talky
technology
transceiver
transmit
transmitter
trunking
using
walked
wave
wireless