For any questions, suggestions, assistance with our products, Please contact our technical support engineer.
In order to improve services and work efficiency of responding support request, please kindly provide following information when submitting technical support request with detailed information, Hongdian will assign the corresponding technical expert to contact you within 1 business day.
1. Product Part No. and firmware version, diagnostic file.
2. Description of the application and the network diagram, the problem you met.
3. Email: [email protected]