cabin
gate box
signal cabin
switchbox
bellbox
signaler
block post
lever frame
floor box
blink
line feed
output
output signal
telephone wire
telegraph wire
signaling device
telephone line
telegraph line
detection
crash box
semio-
signal detection
balise
pecker
racon
radio beacon
red
doghouse
radiotelegram
radio
ringdown
flag
music
digital target
strobe
flasher
radio-controlled
emergency locator transmitter
repeater
goniometer
passthrough
transmitting aerial
doorbell
coaxial cable
antenna
radiotransmitter
blackout bag
television
aerial
VU meter