Transistor - Radio

Many modern handhelds (like the BTECH GMRS-PRO Go to product viewer dialog for this item.

Apps like Rattlegram or Ribbit allow you to send text by holding your phone near a standard radio's microphone. The app converts text into a series of audio "beeps" (digital noise) that another radio can receive and decode back into text. transistor radio

While original transistor radios only received voice and music, current two-way radios often include text capabilities: Many modern handhelds (like the BTECH GMRS-PRO Go