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Q&A Mysterious little cases hanging on street wirings in India

Based on this nerdy but seemingly trustworthy site: https://www.prc68.com/I/TelephonePoles.shtml Then I would guess these are cable TV repeaters/signal amplifiers. Classic cable TV uses copper co...

posted 2y ago by Lundin‭

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#1: Initial revision by user avatar Lundin‭ · 2022-06-20T18:51:14Z (over 2 years ago) 
Based on this nerdy but seemingly trustworthy site:  
https://www.prc68.com/I/TelephonePoles.shtml  

Then I would guess these are cable TV repeaters/signal amplifiers. Classic cable TV uses copper coaxial wire, modern versions will use fibre. To deal with voltage/signal loss over distances, you need to install repeaters on regular intervals, far more frequently in case of copper.