Warranty & Technical Support
At DZ-RF, we believe that reliable hardware support is an important part of a successful project.
As an RF hardware supplier and PCBA manufacturing partner, we provide product quality assurance, technical assistance, and after-sales support for engineers, developers, research organizations, and business customers worldwide.
Our goal is not only to deliver products, but also to help customers successfully complete their RF and embedded hardware projects.
1. Product Quality Assurance
Before shipment, DZ-RF performs product inspection to ensure that products meet basic quality and functional requirements.
Our quality control process may include:
- Visual inspection of PCB and components
- Power-on testing
- Basic functional verification
- Interface and connection checking
- Spectrum analyzer tests transmit power if the board needed
- Packaging inspection before shipment
For bulk orders and business customers, additional inspection requirements can be discussed according to project needs.
2. Technical Support
RF and embedded hardware products often require technical understanding during installation and application.
DZ-RF provides technical support for:
- Product configuration guidance
- Hardware connection assistance
- Interface compatibility confirmation
- Basic troubleshooting
- Product usage questions
Our engineering team can help customers select suitable hardware solutions and reduce development risks.
3. Warranty Policy
DZ-RF provides warranty support for eligible products.
Standard Warranty Period
12 months from the date of delivery
During the warranty period, products with manufacturing defects or quality-related hardware failures may be eligible for repair or replacement.
4. Warranty Coverage
Warranty coverage includes:
✓ Manufacturing defects
✓ Hardware failures caused by product quality issues
✓ Functional problems confirmed by our technical evaluation
Warranty does not cover:
✘ Damage caused by incorrect operation
✘ Damage caused by improper power supply or connection
✘ Unauthorized modification, repair, or component replacement
✘ Physical damage caused during use
✘ Damage caused by environmental conditions or misuse
5. Technical Issue & Replacement Process
If you experience a product issue, please contact our support team with the following information:
- Order number
- Product model
- Description of the issue
- Photos or videos of the problem (if applicable)
Our technical team will review the information and provide an appropriate solution, including:
- Technical guidance
- Troubleshooting assistance
- Replacement components
- Product replacement or repair solutions
6. Support for Business Customers
DZ-RF supports long-term cooperation with:
- Distributors
- Engineering companies
- Research organizations
- System integrators
- OEM customers
For business projects, we can provide:
- Bulk order support
- Technical consultation
- Product customization discussion
- PCBA manufacturing support
- Long-term supplier cooperation
7. Before You Purchase
Not sure whether a product meets your project requirements?
Our engineering team can help confirm:
- Product compatibility
- Required accessories
- Application scenarios
- Quantity requirements
- Shipping options
Contact DZ-RF before ordering and we will help you choose the right solution.
DZ-RF — Reliable RF Hardware Support From Prototype to Production
Warranty & Technical Support
At DZ-RF, we believe that reliable hardware support is an important part of a successful project.
As an RF hardware supplier and PCBA manufacturing partner, we provide product quality assurance, technical assistance, and after-sales support for engineers, developers, research organizations, and business customers worldwide.
Our goal is not only to deliver products, but also to help customers successfully complete their RF and embedded hardware projects.