Features & Specifications | Openterface Mini-KVM

Core Features

BIOS-Level Access

Direct access to target device BIOS, firmware, and startup management without network dependencies.

Network Independence

Stable headless control using HDMI video capture and emulated keyboard/mouse (HID) input. No network connection required.

High-Performance Video

Input: Up to 4K (3840×2160) @ 30Hz via HDMI
Output: Full HD (1920×1080) @ 30Hz with under 140ms latency
Compression: YUV and MJPEG support
Compatibility: VGA, DVI, Micro HDMI via adapters

Switchable USB Port

Toggle USB access between host and target devices for seamless USB drive sharing. Learn more on the Switchable USB Port page.

Cross-Platform Support

Host apps compatible with macOS, Windows, Linux, and Android for universal integration.

Text Transfer

Effortlessly transmit text by simulating keystrokes—perfect for usernames, passwords, and code snippets. Supports ASCII characters including symbols and punctuation.

Text Transfer Limitations

No Clipboard Integration: Only emulates typing, no image or document transfer
ASCII Only: Limited to ASCII characters (no Chinese, Japanese, Korean support)
Length Considerations: Best for short text; large blocks may cause performance issues

Plug-and-Play Convenience

No software installation required on target device. Control begins immediately upon connection with no software traces left behind.

Audio Integration

HDMI embedded audio passthrough for complete multimedia experience.

Extension Pins

Extension pins enable advanced development and customization for specific needs.

Open-Source

Fully open-source hardware and software for transparency and community innovation.

Technical Specifications

Physical Dimensions

Size: 61 × 53 × 13.5 mm (2.40 × 2.09 × 0.53 inches)
Weight: ~48g
Material: Aluminum alloy, PLA casing

Connectivity & Power

Power: USB-C powered (no external supply needed)
USB Speed: 12Mbps full-speed transmission
Host Compatibility: Windows, macOS, Linux, Android
Target: No software installation required

Video & Audio

Max Input: 3840×2160@30Hz (HDMI)
Max Output: 1920×1080@30Hz
Latency: Under 140ms
Audio: HDMI embedded audio passthrough

Input Features

Full keyboard and mouse emulation (absolute & relative)
Multimedia key support
Custom HID functionality
Computer wake-up function

Environmental

Operating: 0°C to 40°C
Storage: -10°C to 50°C
Humidity: 80% RH

Product Models

Basic: OP-MINIKVM-BASIC
Toolkit: OP-MINIKVM-TOOLKIT

Docs Downloads

Quick Start Guide (PDF)
Datasheet (English) (PDF)