FSC-BW256B module features a high-performance SoC, leading the industry in Wi-Fi 6 2.4GHz&5GHz Dual-band and Bluetooth 5.4 dual-mode technology with the lowest power consumption. It includes a Cortex-M4F CPU operating up to 480 MHz, 992KB SRAM, 896KB ROM, and up to 128Mbits of on-chip SPI flash memory, supporting secondary development. With interfaces like SPI, SDIO, I²C, and UART, it offers versatile control and data transmission capabilities. The module supports IEEE 802.11 b/g/n/a/ac/ax, TCP/UDP/HTTP/MQTT protocols, and Bluetooth SPP/GATT profiles, making it ideal for integrating Wi-Fi and Bluetooth into various systems cost-effectively.
| Wi-Fi | |
|---|---|
| Standard | Wi-Fi 6 (IEEE 802.11 a/b/g/n/ac/ax) |
| Frequency | 2.4 GHz / 5 GHz |
| Transmit Power | +20 dBm (Max.) |
| Receive Sensitivity | -97 dBm (Min.) |
| Modes | STA, AP, Wi-Fi direct (P2P) |
| Protocols | TCP, UDP, HTTP, MQTT, other custom protocols |
| Antenna | Providing on-board Ipex connector by default Support installing external antenna on EXT_ANT pin |
| Bluetooth | |
|---|---|
| Standard | Bluetooth 5.4 (BR/EDR & LE) |
| Frequency | 2.4 GHz |
| Profiles | SPP, GATT, other custom profiles |
| Antenna | On-board PCB antenna by default Support installing on-board Ipex connector |
| General | |
|---|---|
| Dimension (mm) | 13 × 26.9 × 2.2 |
| GPIO Count | 17 |
| Host Communication Interface | Default: UART
Custom: SPI, USB, SDIO |
| Operating Temperature | -20°C ~ +80°C |
| Storage Temperature | -40°C ~ +85°C |
| Supply Voltage | VDD: 3V ~ 3.6V VDD_IO: 1.8V / 3.3V |
| Firmware Upgrade | OTA |
| Certifications | SRRC |
