FSC-BW3581B Wi-Fi 6 & Bluetooth 5.4 Module with SDIO/UART/PCM Interfaces

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FSC-BW3581B

The Feasycom FSC-BW3581B is a versatile dual-mode Bluetooth 5.4 & dual-band Wi-Fi 6 combo module designed for a wide range of applications. This fully-integrated module features a CMOS single-chip with RF, Modem, and MAC support. With data rates up to 600Mbps and support for 2.4G/5GHz Wi-Fi 6, it offers high-speed connectivity. The module supports various modes including STA, AP, and Wi-Fi Direct concurrently, while also incorporating advanced features like STBC, beamforming, and Wi-Fi 6 TWT. With support for Bluetooth versions 2.1+EDR/3.0/4.x/5.3/5.4 and optional features, it provides compatibility and flexibility. Ideal for IoT devices, commercial display, projector, and POS devices, this module delivers reliable wireless connectivity with enhanced performance and low power consumption.

Features

  • CMOS single-chip fully-integrated RF, Modem and MAC
  • Support 2.4G/5GHz Wi-Fi 6
  • Data rates up to 600Mbps with 20/40/80MHz bandwidth
  • Support 5MHz/10MHz mode
  • RX sensitivity -92dBm in 11b 1M mode
  • Tx power up to 21dBm in 11b mode or 18dBm in HT/VHT/HE MCSO mode
  • Supports STA, AP, Wi-Fi direct modes concurrently
  • Supports STBC, beamforming, and Wi-Fi 6 TWT
  • Supports WEP/WPA/WPA2/WPA3-SAE personal and MFP
  • Supports all the mandatory and optional features of Bluetooth 2.1+EDR/3.0/4.x/5.3/5.4
  • Supports advanced master and slave topologies
  • Supports SDI0 3.0, USB 2.0, HCI_UART, and PCM interfaces
  • Integrated low power timer and watchdog

Applications

  • IoT Devices
  • Wireless Devices
  • Commercial Display
  • Projector
  • POS Devices

Specifications

Wi-Fi BT Module FSC-BW3581B
Wi-Fi
Standard 2.4G (IEEE 802.11 b/g/n/ac/ax), 5G (IEEE 802.11 a/n/ac/ax)
Frequency Band 2.4GHz and 5GHz
Security WEP/WPA/WPA2/WPA3-SAE
Interface SDIO
Bluetooth
Standard Bluetooth 5.4 (BR/EDR & LE)
Frequency Band 2402 MHz to 2480 MHz
Class Class 1
Tx Power 10 dBm @ EDR, 14 dBm @ BR/LE
Rx Sensitivity -92 dBm @ BR/EDR/LE
Supported Mode Slave & Master
Bluetooth Profiles HFP, A2DP, AVRCP, SPP, PBAP, HID, DUN, FTP, GATT, IAP2, ANCS
Maximum Throughput 2 Mbps
Interface UART/PCM
Wi-Fi BT Module
Size (mm) 12 × 12 × 2.2
Hardware Interface UART, GPIO, PCM, USB
Antenna External (dual-band antenna, supporting 2.4GHz and 5.8GHz frequencies)
Operating Temperature -20°C to +85°C
Storage Temperature -40°C to +85°C
Operating Voltage (VBAT) 3.0~3.6V
VIO 1.8V or 3.3V
Miscellaneous Lead Free and RoHS compliant, one year warranty
Humidity 10% ~ 90% non-condensing
MSL Grade MSL 3
ESD Grade Human body model (pass ±3000 V, all pins), charge device model (pass ±800 V, all pins)

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