Here’s a brief description of the 6AV2102-2AA04-0BD5 from Siemens:

• Product Type: SIMATIC WinCC Advanced Powerpack (Upgrade from WinCC Comfort to WinCC Advanced V14).
• Manufacturer: Siemens.
• License Type: Floating License.
• Contents: License key on USB flash drive (without software and documentation).
• Status: This product is discontinued, with a successor available (6AV2102-2AA00-0BJ5).
• Stock Availability: Limited availability from select distributors.
• Pricing: Varies by distributor and condition (new, surplus, refurbished).
• Shipping: Worldwide express delivery available.