Harmony Hub and Harmony 900 Mini Blaster IR Emitter
Amazon.com: Logitech Harmony IR Extender System - Black (Discontinued by Manufacturer) : Electronics
Best Buy: Logitech Harmony Precision 6' IR Cable (2-Pack) Black 993-001218
Logitech Harmony RF Wireless Extender
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Amazon.com: Logitech Harmony IR Extender System - Black (Discontinued by Manufacturer) : Electronics