How do your smart meters communicate with the power grid?

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Number of survey participants: 47
Participants were allowed to vote for one answer in this poll.
Fiber optic cable
13% (6 votes)
Wireless network
34% (16 votes)
Coaxial cable
2% (1 vote)
Copper telephone cable
2% (1 vote)
Hybrid cable system
0% (0 votes)
Broadband over power (BPL)
49% (23 votes)
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