BT4.2 Dual Mode Long Range CSR Bluetooth Audio Transceiver Module FSC-BT909

BT4.2 Dual Mode Long Range CSR Bluetooth Audio Transceiver Module FSC-BT909

FSC-BT909 is a bluetooth 4.2 Smart Ready device (with BR/EDR & LE support simultaneously) . It is a small form factor, highly power and highly economic Bluetooth radio module that allows OEM to add wireless capability to their products. The module supports multiple interfaces that make it simple to integrate into fully certified embedded Bluetooth solutions.
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Product Details

 With Feasycom’s Bluetooth stack running on a host, designers can easily customize their applications to support different Bluetooth profiles, such GATT, OPP, DUN, SPP, and etc. The module supports Bluetooth® Enhanced Data Rate (EDR) and delivers up to 3 Mbps data rate for distances to 100M.

 The module is an appropriate product for designers who want to add wireless capability to their products. The supported remote devices’ OS are iOS, Android, and Windows.

  External whip antenna, transmitting over 2000M.

General Specification


BT4.2  Dual  Mode

Product ID



13mm(W) x 26.9mm(L) x 2.4mm(H) (Tolerance: ±0.1mm)

Bluetooth Specification

Bluetooth V4.2 (Dual Mode)

Power Supply

3.3 Volt DC

Output Power

18.5 dBm  (Class 1)



Frequency Band

2.402GHz -2.480GHz ISM band



Baseband Crystal OSC


Hopping & channels

1600hops/sec, 1MHz channel space, 79 Channels(BT 4.2 to 2MHz channel space)

RF Input Impedance

50 ohms


Multilayer Ceramic Antenna

(Set aside an external antenna interface)


Data: UART (Standard), I2C

Audio: PCM/I2S

Others: PIO, AIO, Touch sensor, PWM.

       USB 2.0


SPP, GATT(BLE Standard)

MFI, Airsync, ANCS, iBeacon, HID


-40ºC to +85ºC


10%~95% Non-Condensing


RoHS Compliant

MSL grade:


ESD grade

Human Body Model: Class-2 

Machine Model: Class-B

1.1  Feature


◆ Fully qualified Bluetooth 4.2/3.0/2.1/2.0/1.2/1.1

◆ Postage stamp sized form factor.

◆ Class 1 support(high output power).

◆ Integrated chip antenna, transmitting over 100m.

◆ The default UART Baud rate is 115.2Kbps and can support from 1200bps up to 921Kbps.

◆ UART, I2C , PCM/I2S data connection interfaces.

◆ Profiles including GATT, OPP, DUN, SPP, etc..

◆ USB 2.0 full-speed device/host/OTG controller.

◆ RoHS compliant.

◆ FCC, CE Certified.

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