Bluetooth Audio Module For Car Audio System — FSC-BW121

Table of Contents

FSC-BW121

Connecting the car bluetooth system through the mobile phone bluetooth can not only realize the control of car navigation, phone hands-free and bluetooth speakers, but also digitally transmit the data to the car screen to realize multi-functional bluetooth control. ) developed an audio module with wireless audio transmission, data transparent transmission, recording, MP3 Bluetooth decoding and playback, and the effective distance of audio Bluetooth can reach a transmission distance of 20 meters, let us introduce it to you in detail;

FSC-BW121 Specifications

Modelo   FSC-BW121
Bluetooth version Bluetooth V4.2 dual mode
Chipset Realtek RTL8821
Dimension 17mm × 17 mm × 2.4mm
Wi-Fi protocol TCP, UDP, HTTP, etc
Profile HFP, A2DP, PBAP, SPP, GATT, etc  
Wi-Fi standard 802.11 a/b/g/n/ac
Frequency 2.4 GHz & 5 GHz
Interface UART, SDIO
Power voltage 3.0V~3.6V
Antenna type External antenna

FSC-BW121 Caracteristics

  • Bluetooth 4.2 dual mode
  • CMOS MAC, baseband PHY and RF in a single chip for IEEE 802.11a/b/g/n/ac compliant WLAN
  • Support 802.11ac 1x1, Wave-2 compatible MU-MIMO STA mode
  • Complete 802.11n MIMO solution for 2.4GHz and 5GHz bands
  • UART,SDIO interface
  • Low cost solution

FSC-BW121 audio bluetooth module is a wireless audio data transmission, recording, MP3 audio playback product independently developed by Feasycom. It is a low-cost and high-efficiency stereo wireless transmission solution with small size and low power consumption, fast transmission speed and other characteristics.

Only a few components are added to the periphery of the module to achieve wireless reception of high-quality stereo audio. The module adopts a driver-free method, and customers only need to connect the chip to the application product to quickly realize wireless music transmission.

FSC-BW151

The FSC-BW151 Bluetooth module mainly has three main features: its own MP3 function, dual-mode Bluetooth function, and UART serial port control. The module has built-in Flash, which can be plugged with U disk and TF card. Car speaker Bluetooth audio module, audio transmission + data transparent transmission module, FSC-BW151.

Basic Parameter

Wi-Fi
Version 802.11 a/b/g/n/ac/ax 
Wi-Fi specification 2412MHz~2484MHz /4900MHZ~5925MHz
Interface SDIO
Bluetooth
Version Bluetooth V5.0 LE & BR/EDR
Frequency 2402MHz~2480MHz
Interface UART
Other Parameters
Power Supply 2.2-3.6V
Dimension 12mm × 12 mm × 2.2mm
Operation Temperature  -20℃ to +80℃  
Storage Temperature -40℃ to +85℃
MSL Grade MSL 3

FSC-BW151 Features

● Bluetooth 5.0 Dual-Mode
● CMOS single-chip fully-integrated RF, Modem and MAC
● Wi-Fi 6 support 2.4GHz/5GHz Frequency band
● Support STA, AP, Wi-Fi Direct mode at the same time
● Support LDPC
● Support MU-MIMO, OFDMA
● Support DCM, Mid-amble, UORA
● Support WEP / WPA / WPA2 / WPA3-SAE Personal, MFP Frequency band

FSC-BW151 CPU Features

● Integrated Cortex-M4F CPU with MPU and FPU
● CPU speed up to 480Mhz
● On-chip memory includes 992KB SRAM and 752KB ROM
● Supports SDIO/SPI/USB2.0
● Integrated hardware crypto accelerator AES/RSA/HASH/ECC
● Integrated True Random Number Generator (TRNG)
● Support external OPI SDR/DDR PSRAM
● Integrated 128mbits SPI flash
● Integrated UART/I2S/I2C/PWM/SPI/SDMMC

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