FSC-BW126B Bluetooth 5.2 & 2.4G+5G Dual-Band Wi-Fi 6 Module
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FSC-BW126B RTL8852BE Industrial-Grade Wi-Fi 6 + BT 5.2 Module

FSC-BW126B is a highly integrated single-chip solution supporting 2-stream 802.11ax with Multi-user MIMO (MU-MIMO), Wireless LAN (WLAN) PCI Express network interface controller, and HS-UART mixed interface. It combines a WLAN MAC, a 2T2R capable WLAN baseband, and RF in a single chip, providing a comprehensive solution for high-performance integrated wireless and Bluetooth devices. FSC-BW126B delivers a high-performance, integrated wireless and Bluetooth solution suitable for a variety of applications.

Features

General

  • IEEE 802.11ac compliant
  • CMOS MAC, Baseband PHY and RF in a single chip for IEEE 802.11a/b/g/n/ac/ax compatible WLAN
  • Supports 802.11ac 2×2, Wave-2 compliant with RX MU-MIMO
  • Supports 802.11ax 2×2, with OFDMA and MU-MIMO, by 4 types PPDU format, such as HE-SU-PPDU, HE-ER-SU-PPDU, HE-MU-PPDU, and HE-TB-PPDU
  • Maximum PHY data rate up to 286.8 Mbps using 20MHz bandwidth, 573.5 Mbps using 40MHz bandwidth, and 1201 Mbps using 80MHz bandwidth
  • Backward compatible with 802.11a/b/g devices while operating at 802.11n data rates
  • Backward compatible with 802.11a/n/ac devices while operating at 802.11ax data rates

Host Interface

  • Complies with PCI Express Base Specification Revision 1.1
  • PCIe LTR/L1.Off state supported
  • Complies with HS-UART with configurable baud rate for Bluetooth

Standards Supported

  • IEEE 802.11a/b/g/n/ac/ax compatible WLAN
  • IEEE 802.11e QoS Enhancement (WMM)
  • IEEE 802.11i (WPA, WPA2, WPA3) Open, shared key, and pair-wise key authentication services
  • IEEE 802.11h DFS, TPC, Spectrum Measurement
  • IEEE 802.11k Radio Resource Measurement
  • WAPI (Wireless Authentication Privacy Infrastructure) certified

MAC Features

  • Frame aggregation for increased MAC efficiency (A-MSDU, A-MPDU)
  • Low latency immediate Block Acknowledgement (BA)
  • PHY-level spoofing to enhance legacy compatibility
  • MIMO power saving mechanism
  • Support TWT function for power saving
  • Channel management and co-existence
  • Multiple BSSID feature allows the FSC-BW126B to assume multiple MAC identities when used as a wireless bridge
  • Transmit Opportunity (TXOP) Short Inter-Frame Space (SIFS) bursting for higher multimedia bandwidth
  • Wi-Fi Direct supports wireless peer to peer applications. Support BSR and queue size of QoS
  • Supports MU EDCA feature
  • Supports DFS, Channel info, PPDU state by Rx path

Other Features

  • Supports Wake-On-WLAN via Magic Packet and Wake-up frame
  • Transmit Beamforming
  • Supports S3/S4 AES/TKIP group key update
  • FTM supports distance measurement
  • Supports Network List Offload
  • CCA on secondary through RTS/CTS handshake
  • Supports TCP/UDP/IP checksum offload

PHY Features

  • IEEE 802.11ax MIMO OFDM/OFDMA
  • IEEE 802.11ac MIMO OFDM
  • IEEE 802.11n MIMO OFDM
  • Two Transmit and Two Receive paths
  • 20MHz/40MHz/80MHz bandwidth transmission
  • Supports 2.4GHz and 5GHz band channels
  • Short Guard Interval (400 ns)
  • Sounding packet
  • DSSS with DBPSK and DQPSK, CCK modulation with long and short preamble
  • OFDM with BPSK, QPSK, 16QAM, 64QAM, 256QAM and 1024QAM modulation. Convolutional Coding Rate: 1/2, 2/3, 3/4, and 5/6
  • Maximum data rate 54 Mbps in 802.11g, 300 Mbps in 802.11n and 866.7 Mbps in 802.11ac, 1201 Mbps in 802.11ax.
  • OFDM/DSSS receive diversity with MRC using up to 2 receive paths. Switch diversity used for CCK
  • Supports STBC
  • Supports LDPC
  • Hardware antenna diversity
  • Maximum-Likelihood Detection (MLD)
  • Fast receiver Automatic Gain Control (AGC)
  • On-chip ADC and DAC
  • Build-in both 2.4GHz and 5GHz PA
  • Build-in both 2.4GHz and 5GHz LNA

Bluetooth Controller

  • Supports Bluetooth 5 system (BT 5.2 Logo Compliant)
  • Compatible with Bluetooth v2.1+EDR
  • Integrated MCU to execute Bluetooth protocol stack
  • Supports all packet types in basic rate and enhanced data rate
  • Supports Secure Simple Pairing
  • Enhanced BT/Wi-Fi Coexistence Control to improve transmission quality in different profiles
  • Dual Mode support: Simultaneous LE and BR/EDR
  • Supports multiple Low Energy states

Bluetooth Transceiver

  • Fast AGC control to improve receiving dynamic range
  • Integrated internal Class 1, Class 2, and Class 3 PA
  • Supports Enhanced Power Control
  • Supports Bluetooth Low Energy
  • Integrated 32K oscillator for power management

General Features

  • Stamp module suitable for Surface Mounted Technology (SMT)
  • Iron Shielding case
  • Stamp-64 package
  • Dimensions (Iron Shielding Case): 22 mm (L) × 22 mm (W) × 2.4 mm (H)
  • Operating Voltage: VBAT 3.0~3.6V (Peak Current 2A); VDDIO 1.7~3.6V
  • RoHS/REACH Compliant
  • External Antenna
  • Supports Android/Linux

Applications

  • Car audio and video system
  • Measurement systems
  • PND

Specifications

Product Model FSC-BW126B
Bluetooth Standard 5.2 (dual-mode)
Bluetooth Frequency Band 2.402 ~ 2.480 GHz
Bluetooth Class Class 1, Class 2, Class 3
Bluetooth Range, line of sight More than 10 meters
Bluetooth Transmit Power +12 dBm (Max.)
Bluetooth Receiver Sensitivity -90 dBm (GFSK, 0.1% BER, 1 Mbps)
-92 dBm (π/4-DQPSK, 0.01% BER, 2 Mbps)
-86 dBm (8-DPSK, 0.01% BER, 3 Mbps)
Bluetooth Mode Slave and Master
Bluetooth Profiles HFP, A2DP, AVRCP, PBAP, SPP, MAP, DUN, PAN, FTP, GATT and etc. (when Feasycom Bluetooth stack running in host platform)
Bluetooth Maximum Throughput 2, 3 Mbps
Bluetooth LE Spacing 1MHz/2MHz
Bluetooth Interfaces UART, PCM
Wi-Fi Standard IEEE 802.11 b/g/n/ac/ax (2.4G)
IEEE 802.11 a/n/ac/ax (5G)
Wi-Fi Range, line of sight Up to 100 meters
Wi-Fi Frequency Band 2.4GHz and 5GHz frequency band
Wi-Fi Transmit Power +19 dBm (802.11b Max.)
+18 dBm (802.11a Max.)
+13 dBm (802.11ax 2.4G & 5G Min.)
Wi-Fi Receiver Sensitivity -91 dBm (802.11bg_1ss_BW-20 CCK 11M)
-78 dBm (802.11bg_1ss_BW-20 OFDM 54M)
-72 dBm (802.11n_1ss_BW-40/20 MCS7)
-66.5 dBm (802.11ac_1ss_ BW-40/20 MCS9)
-63.7 dBm (802.11ax_1ss_ BW-40/20 MS11)
-72.5 dBm (802.11an_1ss_Sensitivity_BW-80/40/20 MCS9)
-63.5 dBm (802.11ac_1ss_Sensitivity_BW-80/40/20 MCS9)
-60.5 dBm (802.11ax_1ss_Sensitivity_BW80/40/20 MS11)
Wi-Fi Profiles Wi-Fi-AP (access point), Wi-Fi-Station, Wi-Fi-P2P
Wi-Fi Throughput (Max.) 802.11b: Up to 11 Mbps
802.11g: Up to 54 Mbps
802.11n: Up to 286.8 Mbps
802.11ac: Up to 573.5 Mbps
802.11ax: Up to 1201 Mbps
Wi-Fi Security S3/S4, TKIP, AES, WPA, WPA2, WPA3, WMM
Wi-Fi Interface PCIe
Dimensions (mm) 22 × 22 × 2.4
Hardware Interfaces UART, GPIO, PCIe, PCM
Antenna External (2.4GHz & 5.8GHz dual-mode antenna)
Operating Temperature -40°C ~ +85°C
Storage Temperature -40°C ~ +85°C
Operating Voltage (VBAT) 3.3V (Typ.) (Peak Current 2A)
VDDIO 1.8V/3.3V (Typ.)
Humidity 10% ~ 90% non-condensing
MSL Grade MSL 3
ESD Grade Human Body Model: Pass ±2000 V, all pins
Charge device model: Pass ±250 V, all pins
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