can these be used in bridge mode to provide wired drops for switched and desktops?

I do not know about "bridge mode." The primary unit has three RJ45 ports that can be used for PCs, switches, or whatever. The satellite unit has four RJ45 ports that can be used in the same way.

Questions & Answers: Orbi Home Wi-Fi System. Up to 4,000 sq. ft. AC2200 Tri-Band Wi-Fi (RBK40) By NETGEAR [Wi-Fi Router and Satellite]

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NETGEAR - Orbi AC2200 Tri-Band Mesh WiFi System (RBK40)

Eliminate WiFi dead zones and buffering - Whole home Mesh Wifi is a new type of connected system for seamless wireless coverage throughout your home
Replaces your current router, and works with your modem and internet service. Compatible with major internet service providers including Comcast, Time Warner, and Verizon Fios
Covers up to 4000 square feet with high performance WiFi - WiFi points work together so you can add more if you need additional coverage
Orbi routers maintain strong data flow for your connected devices using a dedicated backhaul connection between each point
Smart Parental Controls by Circle with Disney - helps parents filter content, manage screen time, and stay informed with what their kids do online.

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