FSC-BT909 is a class1 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.
Features:
CSR8811 chipset
Bluetooth 4.2/4.1/4.0/3.0/2.1/2.0/1.2/1.1 support
Class 1 (signal power up to +18dBm)
Profiles including A2DP, AVRCP, HFP/HSP, SPP, GATT
Built-in ceramic chip antenna, external antenna optional
Current consumption: 30mA connected, 50mA max
Connection status LED indication
PIN code security
Size: 13×26.9x2mm
Works with: Android – YES; iOS – YES
For maximum Bluetooth signal efficiency for both modules follow these rules:
Place BT module as far from Negative (GND) wires and battery as possible
Place BT module as far from the speaker as possible
Place BT module under some holes in the hilt or plastic parts around antenna
1 What is Bluetooth 4.2:
Bluetooth 4.2 is consists of Bluetooth Basic Rate (BR)/Enhanced Data Rate (EDR), High Speed (HS) and Low Energy (LE), Bluetooth 4.2 covers the Bluetooth 2.0,2.1,3.0,4.0 Versions. Nowadays, there are a lot of devices powered by Bluetooth 4.2, such as Bluetooth Earphone, Speakers, Vehicle Electronic Equipment, OBD, Printer, Barcode Scanner, Mobile Medical Device, Bracelet, Pedometer, etc.
2 What is Bluetooth Dual Mode Module:
Bluetooth Dual Mode Module is a Single-Module Bluetooth Solution with Built-in Bluetooth Basic Rate (BR)/Enhanced Data Rate (EDR)/Low Energy (LE) Functions.