Photogram

computer wireless symbol signal technology wireless wireless wireless wireless wireless signal signal signal technology technology technology technology technology

1

2

african talking drums tribal communication traditional percussion long distance signal cultural heritage sound rhythmic communication drum language west african music ancient messaging sound waveform ai generated

2

0

signal railroad shunting signal light signal technology station defect old quiet abandoned broken warnbake rusted

8

2

tower antenna radio wireless communication network tower tower antenna antenna antenna radio radio radio radio radio

41

4

fire alarm alarm system red security emergency call signal technology

12

4

signal box old obsolete railroad old signal box station signal bridge monument protection transport old technology turnout apron mechanically platform

5

1

console monitoring heartbeat pulse signal ecg screen technology heartbeat ecg ecg ecg ecg ecg

3

0

network 5g cellular technology telecommunications digital 5g 5g 5g 5g 5g

21

7

buoy mark nature signal sea technology maritime

8

7

steam locomotive rheinsberg signal historical loc railroad rail train traffic shape signals signal technology infrastructure

8

0

wi-fi symbol colorful vibrant neon bright abstract digital connectivity glossy signal wireless modern playful gradient iridescent nature saturated electric rainbow technology bold ai generated

31

7

radio fm communication technology station signal antenna receiver tdt radio radio radio radio radio receiver

12

1

satellite dishes parabolic antennas antennas television antenna tv antenna radio telescope telecommunication technology reception signals radio telescope telecommunication telecommunication telecommunication telecommunication telecommunication

17

1

health heartbeat heart monitor telemetry medical heart healthcare cardiology symbol patient heartbeat heartbeat heartbeat heartbeat heartbeat

144

27

railway engineering gears cast iron technology metal construction mechanics signal transmitter cast iron cast iron cast iron cast iron cast iron

13

18