RF extender/Blaster/Emitter for logitech harmony 890 /PRO 1000 1100 (no Mini IR) | eBay
Logitech's new Harmony IR repeater | Engadget
Harmony® RF Wireless Extender Extends the range of select Harmony remotes at Crutchfield
Amazon.com: Original Logitech Ir Mini Blaster (Emitter) for Logitech Harmony Smart Control Remote : Electronics
Logitech BCC950 All-In-One Webcam and Speakerphone
Amazon.com: 2-Pack Infrared IR Mini Blaster (Emitter) Extender for Logitech Harmony Smart Control Remote, Add or Replace an IR Mini Blaster : Electronics
Home Hub Extender
Logitech Harmony Home Hub Extender review: Control locks, bulbs and more with a new extender for Logitech's Harmony Home Hub - CNET