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I'm thinking of buying the new Train power function, e.g. 8884 IR Receiver, 88000 Battery Box, and 8879 IR Speed Remote. However I already have the set 7897, is the Speed Remote from this set compatible with 8884 IR Receiver ? Does anyone know ? I think the train motor is compatible by the way, correct me if I'm wrong.

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Generalizing the question, are RC and PF compatible? – abatishchev Jul 6 '12 at 13:13

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I think RC devices are not compatible with PF devices due using different IR protocols.

For instance, see this forum thread for more explanation. Also this cool site.

Summarizing,

  • RC and PF can use the same rails
  • RC and PF cannot use the same remote controllers

  • RC and PF uses different engines:

    • RC places it in bogie (as 9v do)
    • PF places it in body
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That about sums it up; in addition, note that the motor itself has a different connector, so you could still use it with the newer PF elements, but you'd need a conversion cable. – Joubarc♦ Jul 8 '12 at 7:04

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