2G Wi-Fi6 built-in antenna solutions

　　Designers of internal antenna solutions for 2.4GHz Wi-Fi 6 (also known as IEEE 802.11ax) need to consider several factors to ensure optimal performance, reliability, and ease of use. Wi-Fi 6 not only improves speed and efficiency, but also enhances performance in dense environments and supports more concurrent devices. The following is key information and technical features about 2.4GHz Wi-Fi 6 internal antenna solutions:

　　1. Technical requirements

　　Frequency band support: Make sure the antenna can effectively cover the 2.4GHz band and is compatible with the Wi-Fi 6 standard.

　　Multiple-input multiple-output (MIMO): Wi-Fi 6 supports up to 8x8 MIMO configurations, but most consumer products typically use 2x2 or 4x4 MIMO. Internal antennas need to support these configurations to achieve better spatial multiplexing and higher throughput.

　　Orthogonal frequency division multiple access (OFDMA): Improve network efficiency by assigning different frequency resource blocks to multiple clients at the same time. Antenna design should take this into account to optimize multi-user communication performance.

　　MU-MIMO (Multi-User MIMO): Allows the router to send data streams to multiple devices at the same time. The built-in antenna must have sufficient isolation to avoid interference between different data streams.

　　2. Types of built-in antennas

　　2.1 Microstrip Patch Antenna

　　Features: Small size, light weight, easy to integrate into a compact space; provides directional gain, suitable for signal enhancement in a specific direction.

　　Application: Suitable for laptops, tablets and other mobile devices.

　　2.2 PCB Embedded Antenna

　　Features: Directly printed on the circuit board, reducing the number of additional components; cost-effective and easy to install.

　　Application: Widely used in fixed wireless devices such as routers and access points.

　　2.3 FPC Flexible Antenna (Flexible Printed Circuit Antenna)

　　Features: Can be bent and folded to adapt to various form factors; good electrical performance and mechanical flexibility.

　　Application: Ideal for smart home appliances, IoT devices and other size-sensitive products.

　　2.4 Internal Dipole Antenna

　　Features: Simple structure, easy to manufacture; omnidirectional radiation characteristics, providing uniform signal coverage in all directions.

　　Application: Commonly used in small wireless modules and embedded systems.

　　3. Design considerations

　　Antenna placement: It is very important to choose a suitable location to ensure good signal coverage and avoid interference with other internal components. Antennas are usually placed at the edge or corner of the device housing.

　　Isolation: For multi-antenna configurations, ensure that there is sufficient isolation between each antenna to reduce self-interference and improve overall performance.

　　Material selection: Use low-loss dielectric materials to make antennas and their surrounding structures to reduce signal attenuation and improve efficiency.

　　Aesthetic appearance: The internal antenna should not destroy the overall design aesthetics of the product, so designers need to find a balance between function and aesthetics.

　　4. Selection Guide

　　Determine the needs

　　Target market and application scenarios: Clarify whether your product is for consumers or enterprise users, and in what environment it will be used.

　　Performance indicators: Evaluate key performance parameters such as gain, bandwidth, standing wave ratio (VSWR), isolation, etc. to ensure that specific technical requirements are met.

　　Technical requirements

　　Regulatory compliance: Confirm that the selected antenna meets relevant industry standards and regulatory requirements of the country or region, such as CE, FCC, etc.

　　Environmental adaptability: Ensure that the selected antenna can operate reliably in the expected working environment, including temperature changes, humidity and other external factors.

　　Cost-effectiveness

　　Budget considerations: Select the most cost-effective antenna product based on the project budget while ensuring that the necessary performance or quality standards are not sacrificed.

　　Supplier support and services

　　Technical support: Select suppliers with a good reputation and technical support capabilities to ensure the reliability of after-sales service.

　　Customized services: Some suppliers may provide customized solutions to help customers develop the most suitable antenna system according to specific needs.