🗼〰️📶

#cell tower signal #radio waves #signal broadcast #network transmission #wireless communication #emitting signal

⚡️🧾↔️

#isdn #digital signal #network transmission #telecommunications #data line

💻📡👾

#technical send #digital signal #weird file #network transmission

📡➡️📶➡️📱

#signal transmission #wireless communication #broadcast signal #information signal #network transmission