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Hello Patrick,
thanks for asking.
Remote Buddy supports several IR receivers to be connected and used at
the same time.
Remote Buddy's eHome driver (which also covers the Manta TR1) supports
forwarding Apple Remote IDs as true Apple Remote Events via its
Virtual Remote. Please note, however, that only the Apple IR receiver
driver currently has a "Multiple remotes" mode. The eHome driver
currently doesn't offer this feature. Also, eHome receivers don't
support wakeup with an Apple Remote.
Another option would be to buy a Keyspan Remote for iTunes bundle. It
supports wakeup by any IR remote (which, however, can also be a
disadvantage, as sunlight can also cause a wakeup), but the decoding
of Apple Remote IDs currently isn't supported for these (and probably
never will - to me it looks like the Keyspan receivers don't have
sufficient resolution for this).
Best regards,
Felix Schwarz