Discontinued — No Longer Available New
This model has been discontinued by HID. Shop current HID products → or see the recommended alternatives below.
HID UPG-A-921 Bluetooth OSDP Upgrade Kit
The HID UPG-A-921 is a plug-in upgrade module designed to enhance existing iClass SE® and multiCLASS SE® readers (RK40 and RPK40 models) with Bluetooth and OSDP capabilities. This accessory enables organizations to modernize their access control infrastructure without replacing installed hardware, adding mobile credential support and advanced security communication protocols to existing deployments.
Key Features
- Bluetooth Mobile Access: Enables HID Mobile Access and smartphone "tap" functionality for convenient, secure credential-free entry
- OSDP Support: Provides secure, encrypted bi-directional communication between readers and controllers with enhanced interoperability
- Seamless Integration: Plug-in design compatible with RK40 and RPK40 readers and iClass SE and multiCLASS SE platforms
- Mobile Configuration: Supports HID Reader Manager mobile app for field-based reader setup and management
- Multi-Credential Support: Leverages iClass SE encryption and mutual authentication across multiple credential types
Technical Highlights
The upgrade kit includes a plug-in module, adhesive reflector back plate sticker, and necessary installation accessories for straightforward deployment. Bluetooth connectivity delivers wireless mobile access capabilities, while OSDP ensures enterprise-grade communication security. The solution maintains backward compatibility with existing credentials while extending functionality to modern smartphone-based access methods.
Ideal Applications
This upgrade kit is suited for organizations seeking to extend the life of current access control investments, enable mobile credential programs, or implement OSDP-based security improvements across existing reader populations. Common use cases include corporate offices, healthcare facilities, and multi-tenant buildings requiring flexible, secure access solutions.
