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By certification 
FSC-BT909
Product Describe:
FSC-BT909 is a class 1 dual-mode Bluetooth module ( with BR/EDR & LE support simultaneously ). It can transmit over 500m with an integrated antenna. While using external whip antenna, the distance can be extended over 2000m. With AT+ programming interfaces, designers can easily customize their applications with supporting different Bluetooth profiles, such as A2DP, AVRCP, HFP/HSP, SPP, HID, GATT, and etc.
Feature
Fully qualified Bluetooth4.0/3.0/2.1/2.0/1.2/1.1
Postage stamp sized: 13*26.9 *2mm
Class 1 support(Power up to +18dBm).
Integrated ceramic chip antenna or external antenna(optional).
The default UART Baud rate is 115.2Kbps andcan support from 1200bps up to 921Kbps.
UART, I2C, PCM/I2S, SPI, USB interfaces.
Profiles including A2DP, AVRCP, HFP/HSP,SPP, GATT, etc.
USB 2.0 full-speed device/host/OTGcontroller.
Network support
MFI Certification
RoHS compliant.
Application
Bluetooth Router, Hub, Gateway
Cable replacement
Point-of-sales systems
Telemetry devices
Automotive inspection and measurementsystems
Industrial devices
Barcode and RFID scanners
Beacon device
Wireless speakers
Intercom system
Analogue and USB Multimedia Dongles
