VBOX 3i RTK (v3-v4) with Firmware Version 2.8 Last updated Save as PDF Share Share Tweet Share User Guide – VBOX 3i RTK (v3-v4) with Firmware Version 2.8This is the complete user guide for the VBOX 3i RTK (v3-v4) with firmware version 2.8.01 Getting Started02 Front Panel03 LED Behaviour04 Installing and Connecting05 Setup06 Technical Properties