Contact Us
Belcarra Technologies (2005) Corp.
For general corporate, technical support, and security inquiries, submit an inquiry using the direct form below.
Inquiries are delivered to info@belcarra.com (or security@belcarra.com for vulnerability disclosures).
Looking for an OEM Evaluation Driver Kit?
Hardware device teams evaluating Windows USB networking can use our dedicated evaluation driver request form to specify USB Vendor/Product IDs (VID/PID), protocols (NCM, EEM, ECM, RNDIS), and DHCP service requirements.
Go to Evaluation Driver Request Form →Send an Inquiry
Complete the form below to reach the Belcarra engineering and licensing team. Refer to the checklists below for suggested details to include.
Inquiry Checklists
To help our engineering team review and respond to your request efficiently, please include the relevant details in your Message Details above:
Commercial Licensing & Evaluation
- Company name and hardware product context
- Target Windows platform (Windows 11 amd64 or arm64; Windows 10 amd64)
- Required USB networking protocol (CDC-NCM, CDC-EEM, CDC-ECM, RNDIS)
- Anticipated production volume and evaluation schedule
- Any specific Microsoft driver signing or compliance constraints
Technical Support & Integration
- Host Windows version/build and architecture (amd64 or arm64)
- USBLAN driver package version and INF configuration
- Device USB controller, firmware version, and protocol mode
- Composite USB interface numbering and configuration
- Observed behavior, error codes (e.g., Code 10, 28, 43), and reproduction steps or logs
Security & Vulnerability Disclosures
When reporting a security concern, select security@belcarra.com in the Send To menu above.
- Detailed description of the issue and affected driver or software version
- Step-by-step reproduction instructions or proof of concept
- Impact assessment and any coordinated disclosure timeline expectations