The Sentinel - Keyboard Overlay - ZX Spectrum / The Spectrum

Rainbow Technologies Sentinel Scribe RB-K01353 PC Computer Hardware Dongle Key

The Sentinel - Firebird - Commodore 64 (Tested ✅) 🟩

Rainbow Technologies Sentinel Pro Image Machines Dongle Key RB- 4N31BG-B

Vintage Autodesk AutoCAD ADE -3 dongle Toplock

The Sentinel Amiga AtariST c64 commodore Mouse Mat Pad

Paperclip 64 Software Protection Dongle Commodore 64

Targus USB Ultra-mini Bluetooth 2.0 Adapter w/EDR 3" CD -- Disc only, no dongle