产品概览
The WFM200SS22XNN3R from Silicon Labs is a Wi-Fi NCP (Network Co-Processor) module supporting 802.11 b/g/n in the 2.4GHz band. It provides a complete Wi-Fi subsystem with integrated antenna, RF front-end, and TCP/IP stack accessible via a simple UART or SPI host interface. The module is pre-certified (FCC/IC/CE) for rapid integration into IoT devices.
主要规格
- Type: Wi-Fi NCP Module (Network Co-Processor)
- Wi-Fi Standard: 802.11 b/g/n
- Frequency: 2.4GHz
- Interface: UART / SPI to host MCU
- Antenna: Integrated (PCB trace or ceramic)
- TX Power: Up to +18dBm
- Security: WPA2/WPA3, TLS/SSL
- TCP/IP Stack: On-module (offloaded from host)
- Supply Voltage: 3.0-3.6V
- Current: 180mA (TX), 60mA (RX), 10uA (sleep)
- Package: SMD module
- Operating Temp: -40C to +85C
- Certifications: FCC, IC, CE, MIC (pre-certified)
特点
- Pre-certified Wi-Fi module eliminates RF design and certification
- On-module TCP/IP stack offloads host MCU
- Simple UART/SPI host interface
- Integrated antenna for compact design
- 802.11n support for up to 72Mbps PHY rate
- WPA3 security support
应用
- Smart home devices and appliances
- Industrial IoT wireless connectivity
- Smart metering and energy management
- Healthcare device Wi-Fi connectivity
- Building automation and HVAC control