A High-End Remote for a High-Tech Life - The New York Times
CJP-Geek AC Adapter Charger Replacement for Logitech Harmony Remote RF Wireless Extender 915-000044 - Walmart.com
Amazon.com: 2-Pack Infrared IR Mini Blaster (Emitter) Extender for Logitech Harmony Smart Control Remote, Add or Replace an IR Mini Blaster : Electronics
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