Just one adapter plug. One for All TV link 200 power line Ethernet adapter. Ideal to expand an existing network or replace a burned out tv link 200 adapter plug. Fully tested and working. Only one for all tv link 200 adapters are compatible with each other. To pair. Plug in the adapter , hold the pairing button for 5 seconds and on the other adopter Within 2 minutes , press the pair button. Devices now should be paired successfully to transit network over power line , etc
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