IOGear GHPU21 - Manual (Page 67)

4. Will HomePlug operate on different Circuit Breakers?
Yes. Circuit breakers do not affect performance of HomePlug devices, however the signal
will not pass through the power transformers outside your house.
5. Can Neighbors get my HomePlug signal?
It is possible for your immediate (next door) neighbor to receive residual signal from
your HomePlug adapter. Unlikely, but possible. To prevent your neighbors from hacking
your network, the best thing you can do is type a different encryption password into
your device when setting the encryption password. Note: All devices must have the
same password to be on one network. If devices do not have the same encryption
password, they will not be able to communicate with each other.
Troubleshooting
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