Harmony Home Hub Extender + Power Cord, N-R0009, Z-wave ZigBee L302 | eBay
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Logitech Harmony Home Hub Extender - Smartify Store
HARMONY HOME HUB EXTENDER - Walmart.com
Logitech Harmony Elite Universal Remote, Hub, Z-Wave Extender, & 2 IR Extenders 97855117007 | eBay
Amazon.com: Harmony IR Adapters, Ancable 2-Pack 2.5mm Mono Plug to 3.5mm Mono Jack Connector for Logitech Harmony Hub and IR Blaster, IR Emitter Extenders, IR Repeaters, IR Receivers : Electronics