Transform your Base Duo or Base Uno into a portable, standalone capable Meshtastic device. Basic soldering required. Main Features Expanded 128x128 1.12" OLED – perfect for BaseUI GPS with Ceramic Antenna Seiko Real Time Clock 9 Axis Inertial Measurement Unit 3 Axis Gyroscope 3 Axis Accelerometer 3 Axis Compass Navigation Pad Buttons + OK + Back Power Slide Switch with 2 Programmable User Modes (defaults to GPS ON / OFF) Buzzer Product Includes Super IO Board OLED + Mounting Bracket GPS Ceramic Antenna Mounting Screws + Hex Key Specs Mounting Holes aligned with Base board: 2x M2 Mounting Slots for SuperIO: 2x M2 Board Size: 42x67.5mm Weight: 16g Looking for Technical Details?In our resources section for the BASE System we provide an evolving user guide, documentation and downloads including spec sheets, schematics, software source files and more.