This upgrade module incorporates two of the hottest and most desirable new technologies into a single module that works in all NAD MDC AV products. It not only provides Ultra High Definition (UHD) video performance, but it also adds the option of network music streaming, Wi-Fi, and Bluetooth, allowing up to 64 zones of BluOS® compatible High Res Audio music players to be added to create the most advanced multi-room system on the planet.

NAD VM 130i Classic AV MDC Module:
Type: Classic AV MDC (Modular Design Construction) Module

Purpose:
Function: An audio/video processing module that adds video switching capabilities and advanced audio processing (like Dolby decoding) to compatible NAD amplifiers and preamplifiers.

Key Features (Based on "Classic AV" designation):
Video Switching: Likely includes HDMI inputs and outputs for video sources.
Audio Processing: Likely includes surround sound decoders (e.g., Dolby Digital, DTS).
Surround Modes: May add various DSP surround modes for movie and music listening.

Connectivity (Typical for this module type):
Inputs: Multiple HDMI inputs, likely legacy analog video inputs (Component, Composite).
Outputs: HDMI output (to TV), pre-out connections for multi-channel audio.

Integration:
Compatibility: Designed for installation into the MDC bay of compatible NAD "Classic" series components (e.g., T 787, T 777 receivers or similar pre-pro models).
Installation: Internal card installed by a technician.

Note: This appears to be an older, legacy AV processor module. Specific technical details (number of HDMI ports, supported audio formats) are not readily available in current official sources.