“As for the Range Extender, I am only seeing KX-TGA407B online. I saw here Panasonic recommended KX-TGA407 (without the B) will KX-TGA407B work on this system? We have a two story house and have trouble with Range. Thanks!”

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• Thank you for reaching out! Kindly be informed that the KX-TGA407B is compatible with this telephone system. The B at the end stands for the color Black, however it's the same model of range extender.

  Answered by Panasonic Team 5 years ago

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• I could only find a B -- and it works good -- just ordered a 2nd one (the max)

  Answered by jemsr 5 years ago

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