Can D-RTK 3 Relay Fixed Deployment Version be used independently without connecting to DJI Dock 3?

Currently no.

Related Questions

How does a drone-in-a-box work for security?

Dock-based systems, such as DJI Dock 3, house, charge, and protect a drone between deployments.

What is a drone-in-a-box system?

A drone-in-a-box stores and charges a drone, ready for round-the-clock, remote deployments,

What devices are compatible with DJI Transmission?