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
Amazon.com: Logitech Harmony IR Extender System - Black (Discontinued by Manufacturer) : Electronics
Logitech Blaster IR Receiver 815-000055 for Harmony 900 W/ Emitter | eBay
Logitech Harmony IR Blaster (IL/RT6-14294-815-000071-MP-UG) 97855036919 | 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
Amazon.com: Logitech Harmony IR Extender System - Black (Discontinued by Manufacturer) : Electronics
Logitech Harmony IR Extender System for Infrared Remotes for sale online | eBay
Amazon.com: Logitech Harmony IR Extender System - Black (Discontinued by Manufacturer) : Electronics
Harmony® RF Wireless Extender Extends the range of select Harmony remotes at Crutchfield
Harmony: To IR Blaster extend or not - Connected Things - SmartThings Community
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
Amazon.com: 2-Pack Infrared IR Mini Blaster (Emitter) Extender for Logitech Harmony Smart Control Remote, Add or Replace an IR Mini Blaster : Electronics