We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Compact black box with front status lights and rear ports

Key Digital

Key Digital KD-BYOD4K Wireless Presentation Gateway

SKU CH-A91M-7E4TP

Wirelessly cast 4K content from Windows, Mac, iOS, Android or Chrome devices with multi-presenter support and built-in annotation tools

  • TypeWired
  • Wireless casting from Windows, Mac, iOS, Android and Chrome devices
  • Multi-presenter mode shows up to four sources simultaneously with auto layout
  • 4K UHD input and output for sharp spreadsheet and data clarity
  • Built-in annotation and whiteboard tools with QR-code screen capture
  • KDPlay Flash dual USB/USB-C launcher included for instant driver-free connection

Wireless Presentation Gateway

The Key Digital KD-BYOD4K is a wireless presentation gateway that enables cable-free content sharing from laptops, tablets and phones. It accepts 4K UHD input and delivers 4K UHD output for crisp text and data visuals. The unit is designed for conference rooms, classrooms and huddle spaces where multiple users need to present quickly without adapters.

Meeting Spaces With Mixed Devices

Teams that rely on Windows, macOS, iOS, Android or Chrome OS can connect through KDPlay software, AirPlay or the Chrome browser tool without installing drivers. The package includes a dual-head USB flash drive that auto-launches the KDPlay app for instant guest access. Environments that require a purely hard-wired AV path or legacy VGA-only displays will not be served by this gateway.

Network-Connected Collaboration Hub

The gateway joins the local Wi-Fi network and provides HDMI output to a display or projector while de-embedding audio for an external sound system. USB ports forward mouse and touchscreen control back to the presenting device so users can interact with their own content. Annotation overlays and whiteboard tools run on the gateway itself, and screen captures are retrieved via QR code or web browser without additional software.

Highlights

  • Wireless casting from Windows, Mac, iOS, Android and Chrome devices
  • Multi-presenter mode shows up to four sources simultaneously with auto layout
  • 4K UHD input and output for sharp spreadsheet and data clarity
  • Built-in annotation and whiteboard tools with QR-code screen capture
  • KDPlay Flash dual USB/USB-C launcher included for instant driver-free connection

Specifications

TypeWired

Questions about this item

What do I need on my laptop or phone to start casting to the KD-BYOD4K?

Windows and Mac users connect through the KDPlay app or the included KDPlay Flash drive. iOS devices use AirPlay. Android devices need the KDPlay app from Google Play. Chrome OS devices cast via the Chrome browser tool.

Can I keep using my existing HD display and speakers with this gateway?

The unit outputs up to 4K/UHD, so it will downscale to your HD display. Audio de-embedding lets you send sound to an external audio system while video goes to the screen.

How can I verify the gateway is casting correctly once I have connected?

Up to four presenters appear in an auto-adjusting layout. Annotation and whiteboard overlays respond in real time, and screen captures can be saved via QR code or web browser to confirm the session is active.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.