Ameba Wi-Fi CSI Solutions
Wireless sensing technology, intelligently perceiving the surrounding environment
Overview
Wi-Fi CSI (Channel State Information) is a technology that perceives environmental states by analyzing signal propagation variations during wireless transmission, enabling applications such as health monitoring, activity recognition, and intelligent security.
Realtek Wi-Fi SoC supports capturing high-precision CSI data from multiple Wi-Fi packet types (e.g., data/management/control frames), including both unicast and broadcast communication modes. Combined with network topologies such as STA/SoftAP/hybrid networks, this enables highly adaptable scenario-specific solutions.
Advantages
Channel information is obtained through standardized APIs and customizable configuration sets (such as subcarrier selection, sampling rate adjustment). It supports topologies like STA/SoftAP/hybrid networking, providing developers with highly flexible scenario-based solutions.
Capable of penetrating walls and furniture to detect activities in obscured scenarios (e.g., human presence through barriers).
Relies on analyzing wireless signal fluctuations instead of capturing images/videos, eliminating privacy risks associated with cameras.
Development Resources
| Icon | Resource Name | Link |
|---|---|---|
 |
SDK Download | Link |
 |
Wi-Fi CSI Development Guide | Link |
 |
Contact Us | Link |
Recommended ICs
| Features | Filter | RTL8720F | RTL8721F | RTL8721Dx | RTL8720E | RTL8710E | RTL8726E | RTL8713E | RTL8730E | RTL872xD | RTL8735B |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Application Processor |
Cortex-M | Cortex-M | Cortex-M | Cortex-M | Cortex-M | Cortex-M | Cortex-M | Cortex-A | Cortex-M | Cortex-M | |
| DSP | N | N | N | N | N | Y | Y | N | N | N | |
| ISP | N | N | N | N | N | N | N | N | N | Y | |
| Arm TrustZone | Y | Y | Y | Y | N | Y | N | Y | Y | Y | |
| Dual Band | N | Y | Y | N | N | N | N | Y | Y | Y | |
| Wi-Fi 6 | Y | Y | N | Y | Y | Y | Y | Y | N | N | |
| R-MESH | Y | Y | Y | N | N | N | N | N | N | N | |
| Ultra-low Power | Y | Y | Y | N | N | N | N | N | Y | Y | |
| Ethernet | N | Y | N | N | N | N | N | N | N | N | |
| BT Dual Mode | N | N | N | N | N | Y | Y | Y | N | N | |
| HMI | N | Y | Y | Y | N | Y | Y | Y | N | N | |
| Audio ADC | N | N | N | N | N | Y | Y | Y | Y | Y | |
| Audio DAC | N | N | N | N | N | Y | Y | Y | Y | Y | |
| SDIO Host | N | Y | N | N | N | N | N | N | N | N | |
| SD/EMMC Host | N | Y | N | N | N | N | N | Y | Y | Y | |
| USB | N | Y | Y | N | N | N | N | Y | Y | Y | |
|
BT Dedicated Antenna |
N | N | N | N | N | N | N | Y | N | N | |
| CAN | N | Y | N | N | N | N | N | N | N | N |
