Frequently Asked Questions (FAQ)
Welcome to the Vcan Group Limited Frequently Asked Questions page. Here you can find answers to common questions about our wireless video transmission systems, COFDM transmitters and receivers, Mesh and MANET radio links, video encoder boards, IP streaming solutions, and OEM/ODM customization services.
As a China-based technology manufacturer and supplier, we work with distributors, system integrators, engineering teams, and businesses worldwide. If you cannot find the answer you need, please contact our team with your technical requirements.
1. About Vcan Group Limited
Q1. What products and solutions does Vcan Group Limited provide?
We specialize in wireless video transmission, radio communication links, video encoding and decoding, and embedded electronic modules. Our main product categories include:
COFDM wireless video transmitters and receivers
Long-range wireless video and data transmission systems
Mesh, MANET, and radio data links
HDMI, SDI, CVBS, and USB video encoder boards
Ethernet IP streaming and video conversion modules
RF modules, amplifiers, frequency converters, and antennas
OEM and ODM electronic hardware and firmware development
For detailed product information, visit iVcan.com.
Q2. Are you a manufacturer or a trading company?
Vcan Group Limited works with manufacturing and engineering resources in China to supply electronic modules, wireless communication equipment, and customized hardware solutions.
We support product selection, technical evaluation, OEM/ODM development, sample testing, and volume production. Manufacturing arrangements and customization scope depend on the specific project.
Q3. Do you supply products to international customers?
Yes. We work with customers in different countries and regions, including distributors, OEM customers, engineering companies, and system integrators.
We can discuss international shipping options, lead times, export requirements, and documentation according to the product and destination country.
2. Wireless Video Transmission and COFDM
Q4. What is a COFDM wireless video transmitter and receiver?
A COFDM wireless video transmission system sends digital video over a radio link. Depending on the model, it can support HDMI, CVBS, SDI, or IP video inputs and provide HDMI, analog video, or Ethernet outputs.
COFDM systems are often selected for mobile applications, challenging radio environments, and installations where reliable video transmission is important.
Explore our COFDM wireless video transmitter and receiver solutions.
Q5. What transmission distance can your wireless video systems achieve?
Transmission distance depends on several factors, including:
Operating frequency and available bandwidth
Transmitter output power
Transmit and receive antenna gain
Antenna height and orientation
Line of sight, terrain, and obstacles
Interference and the required video quality
We recommend evaluating the complete radio link rather than selecting a transmitter based on output power alone.
When requesting a recommendation, please tell us your target distance, frequency, video source, operating environment, and whether obstacles exist between the transmitter and receiver.
Q6. Which operating frequencies are available?
Available frequencies depend on the product family and hardware configuration. Certain systems support selectable frequency ranges, while others require a specific frequency configuration or customized RF design.
Please provide your target frequency, required bandwidth, country of operation, and application. We will check the available options for your project.
All frequency configurations remain subject to applicable radio regulations and export requirements.
Q7. Do your wireless video systems support HDMI and IP cameras?
Selected models support HDMI input, while other models accept IP camera streams over Ethernet. Some systems support both interfaces, depending on their hardware and firmware configuration.
For example, our HDMI and IP camera COFDM wireless video transmitter supports HDMI and IP camera input options.
Please confirm the required input interface before ordering.
Q8. Can I transmit video and data simultaneously?
Some wireless links support video together with Ethernet data or a serial data channel. However, the supported interfaces and transmission direction vary by model.
Please specify whether you need video only, video plus UART/TTL data, Ethernet data, telemetry, or bidirectional communication.
Our engineers can recommend a suitable configuration based on your interface and bandwidth requirements.
Q9. Can you provide a complete transmitter and receiver set?
Yes. Depending on the product family, we can offer complete transmitter and receiver sets, individual modules, encoder boards, receiver boards, RF power amplifiers, and related accessories.
For compatible components and available configurations, see our COFDM transmitter and receiver product range.
Please confirm compatibility before combining products from different models or firmware families.
3. Video Encoder Boards and IP Streaming
Q10. What video input and output interfaces are available?
Depending on the model, our video processing boards may support HDMI, SDI, CVBS, AHD, or USB UVC camera input.
Output options may include Ethernet IP streaming, RTSP, UDP, or other model-specific interfaces. Supported resolutions, frame rates, codecs, and protocols vary between products.
For example, you can review our CVBS video to IP Ethernet streaming encoder solutions.
Please provide your input signal, required output protocol, resolution, frame rate, and target latency when requesting a recommendation.
Q11. Do your encoder boards support H.264 and H.265?
Selected encoder boards support H.264, H.265, or both. The available codec depends on the chipset, firmware, and product configuration.
If your project requires a specific codec, bitrate, resolution, frame rate, or video profile, please confirm these requirements before purchasing.
Q12. Can your encoder boards stream video to a computer or network device?
Selected models provide Ethernet streaming and can be integrated into compatible computers, network devices, or video management systems.
Depending on the product, supported streaming protocols may include RTSP and UDP. Network settings, stream format, decoder compatibility, and firmware must be considered during integration.
Please tell us which receiving device or software you intend to use so we can check compatibility.
Q13. Can you customize the encoder board's size, connectors, or firmware?
Yes, subject to technical feasibility and the selected platform.
Customization may include:
PCB dimensions and mounting holes
Connector types and cable arrangements
Input and output interfaces
Default IP address and network configuration
Firmware functions and supported protocols
Video orientation, rotation, or other processing features
Integration with an existing product enclosure or system
Please send your current board drawings, interface requirements, mechanical constraints, and expected order quantity.
4. Mesh, MANET, and Radio Data Links
Q14. What is the difference between a point-to-point radio link and a Mesh or MANET system?
A point-to-point link typically connects two endpoints. A Mesh or MANET system can support multiple network nodes, with communication and routing capabilities depending on the system design.
Mesh and MANET solutions are often considered for mobile teams, robotics, industrial communications, and other applications where network topology may change.
The supported number of nodes, routing behavior, frequency bands, data throughput, and security features depend on the selected platform.
Q15. Do your radio links support bidirectional communication?
Some products support bidirectional communication, while others are designed for one-way video or data transmission.
Please identify whether you need a video downlink, a data uplink, remote control, telemetry, or a fully bidirectional Ethernet connection. This distinction is important because an Ethernet connector alone does not guarantee two-way network communication.
Q16. Can you customize radio frequency, output power, and interfaces?
Certain platforms support customization of operating frequency, RF power, Ethernet ports, serial interfaces, and other hardware or firmware functions.
Available options depend on the existing design, component availability, thermal constraints, and regulatory requirements.
For an accurate assessment, please provide your target frequency range, required RF output power, interface list, supply voltage, and expected quantity.
5. OEM and ODM Customization
Q17. Do you accept OEM and ODM projects?
Yes. We can evaluate OEM and ODM projects involving electronic modules, video processing boards, wireless transmission equipment, and related embedded hardware.
Depending on the project, support may include:
Hardware modifications and PCB design
Connector and cable customization
Firmware adaptation and feature development
Mechanical and enclosure integration
Prototype evaluation and functional testing
Pilot production and volume manufacturing
Learn more about our OEM and ODM customization services.
Q18. What information should I provide for a custom project?
The more specific your requirements, the faster we can evaluate technical feasibility and prepare a quotation.
Please include as much of the following information as possible:
Product application and operating environment
Required input and output interfaces
Frequency range and RF power, if applicable
Resolution, frame rate, latency, or data throughput
Power supply, dimensions, and weight limitations
Required firmware functions or communication protocols
Target quantity and estimated annual demand
Prototype deadline and expected production schedule
You may also send a reference product, technical specification, block diagram, or existing PCB photographs.
Q19. Can you modify an existing product instead of developing a new one?
In many cases, modifying an existing platform is more practical than starting a new design from scratch.
We first compare your requirements with our available hardware and firmware. If the existing product can meet most of your needs, we will evaluate the necessary modifications and any associated development costs.
Some functions may require new hardware, additional testing, or a longer development schedule.
Q20. Do you provide samples before mass production?
For suitable products, sample orders can be arranged for evaluation before a larger purchase.
We recommend testing the sample in your actual application, particularly for wireless range, video latency, thermal performance, interface compatibility, and power consumption.
Sample availability, customization charges, and lead times depend on the product and the requested modifications.
6. Pricing, MOQ, and Lead Time
Q21. How can I get a quotation?
Please send your required model or technical specification, quantity, destination country, and any customization requirements.
We will review the request and provide pricing based on the product configuration, quantity, and project scope.
For customized projects, the quotation may separate prototype costs, engineering charges, tooling expenses, and unit pricing where applicable.
Q22. What is your minimum order quantity (MOQ)?
MOQ varies by product. Some standard products can be purchased in small quantities for testing, while customized hardware, PCB revisions, or OEM production may require a minimum order quantity.
Please let us know your initial sample quantity and expected future demand so we can recommend an appropriate purchasing plan.
Q23. How long does production take?
Lead time depends on stock availability, component supply, order quantity, firmware requirements, and whether engineering modifications are necessary.
Standard products may be available sooner than customized products. New hardware development and qualification require additional time.
We will confirm the estimated lead time when reviewing your specific order.
Q24. Can you provide volume pricing?
Yes. We can evaluate quantity-based pricing for larger orders and recurring purchases.
When requesting a quotation, please indicate your estimated order quantity and whether you expect repeat orders. This helps us evaluate component procurement, production planning, and customization costs.
7. Shipping, Payment, and After-Sales Support
Q25. Do you ship internationally?
Yes, international shipping can be arranged for eligible products and destinations.
Available shipping methods, delivery estimates, freight charges, customs requirements, and import taxes depend on the destination, package dimensions, product classification, and current carrier restrictions.
Please provide your destination country or postal code and required delivery timeframe for a shipping estimate.
Q26. Can you ship using DHL, UPS, FedEx, or postal services?
Depending on the destination and shipment requirements, we can evaluate available express courier and postal shipping options.
Express services are generally faster, while postal services may be more economical. Actual delivery times are estimates and may be affected by customs clearance or carrier operations.
We will confirm the available method and shipping cost before dispatch.
Q27. Which payment methods do you accept?
Available payment methods depend on the order, customer location, and transaction arrangements. Please contact our sales team to confirm the payment options for your quotation or pro forma invoice.
Payment terms for customized projects and volume orders should be agreed upon before production begins.
Q28. Do you provide technical support after delivery?
We can provide product documentation, configuration guidance, and troubleshooting assistance according to the product and agreed support arrangements.
For faster troubleshooting, please include the model number, firmware version, power supply details, connection diagram, symptoms, and relevant photographs or test results.
For network or wireless products, please also provide the current configuration and the steps required to reproduce the issue.
Q29. What should I do if a product does not work as expected?
Please contact us before making hardware modifications that could affect the product.
Describe the problem and provide photographs, wiring information, configuration settings, and test results. Our team will review the available information and suggest appropriate troubleshooting steps.
For RF equipment, always follow the product manual, connect the required antenna or appropriate RF load before powering on when specified, and observe all electrical and RF safety instructions.
8. Compliance and Export Requirements
Q30. Can all products be exported to every country?
No. Export eligibility depends on the product's technical specifications, classification, destination, end user, intended use, and applicable export-control rules.
Certain RF equipment and specialized electronic products may require additional review, documentation, or authorization. Some transactions or destinations may be restricted.
Please provide the destination country and intended application before placing an order. We will assess whether the requested product and shipment can be supported, subject to applicable laws and regulations.
9. Contact Vcan Group Limited
Q31. How can I discuss my project with your team?
If you need help selecting a product, integrating a module, or developing a customized solution, please contact Vcan Group Limited with your technical requirements.
To help us respond efficiently, please include:
Your company name and country
The product or application you are interested in
Your key technical requirements
Initial sample quantity and expected production quantity
Your target delivery date
Visit our website to learn more about our wireless video transmission solutions, video encoder and IP streaming solutions, and OEM/ODM customization services.
For detailed product specifications and available models, visit iVcan.com.
We look forward to discussing your project and helping you identify a suitable solution.
Vcan Group Limited
China-based wireless video, radio communication, and embedded electronics solutions
Website: https://vcanhk.com/
Product catalog: https://ivcan.com/
Product specifications, availability, customization options, pricing, and delivery schedules are subject to confirmation for each project.