FSC-BT986 5.2 Dual Mode Bluetooth Module
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Product Information
Specifications:
- Bluetooth Version: 5.2
- Frequency: 2400MHz to 2480MHz
- Transmit Power: 0dBm
- Receive Sensitivity: -95dBm in BLE mode
- Raw Data Rates (Air): Support 250kbps, 1/2/3 Mbps
- UART Interface: Yes, baudrate up to 921600bps
- Host Interface and Peripherals: I2C/USB interfaces
available - Supply Voltage: 3.3V to 3.6V
- Power Consumption: Working current is 5mA
- Dimensions: Postage stamp sized form factor
- Operating Environment: RoHS compliant
Product Usage Instructions:
1. Introduction:
FSC-BT986 is a high-performance Bluetooth module suitable for
adding wireless functions to products like health thermometers,
heart rate monitors, and more. It operates on the 2.4GHz ISM
frequency band.
2. Features:
- Bluetooth 5.2 Classical/BLE dual-mode
- UART programming and data interface
- I2C/USB interfaces for connectivity
- Dual-core digital architecture with ARM Cortex-M0 Core
- Supports various data rates and encryption standards
3. Hardware Specification:
3.1 Block Diagram and PIN Diagram:
The module consists of a 5.2 dual-mode BT controller, ARM
Cortex-M0 core, and various interfaces like UART, I2C, and USB.
3.2 PIN Definition Descriptions:
The module has various pins for UART communication, power
supply, GPIO, and interfaces like I2C and USB.
FAQ (Frequently Asked Questions):
Q: Can I use a customized firmware with FSC-BT986?
A: Yes, by default, Feasycom standard firmware is built-in, and
customized firmware is also available for use with FSC-BT986.
Q: What are the typical applications of FSC-BT986?
A: FSC-BT986 is commonly used in devices such as health
thermometers, heart rate monitors, blood pressure monitors, and
proximity sensors.
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FSC-BT986 Datasheet
FSC-BT986
5.2 Dual Mode Bluetooth Module Datasheet Version 1.7.2
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FSC-BT986 Datasheet
Copyright © 2013-2025 Shenzhen Feasycom Co., Ltd. All Rights Reserved.
Shenzhen Feasycom Co., Ltd reserves the right to make corrections, modifications, and other changes to its products, documentation, and services at any time. Customers are advised to obtain the latest relevant information before placing orders. In order to minimize product risks, customers should implement sufficient design and operational safeguards. Reproduction, transfer, distribution, or storage of any part or all of the contents in this document, in any form, without written permission from Shenzhen Feasycom Co., Ltd, is strictly prohibited.
Revision History
Version
1.0 1.1 1.2 1.3 1.3.1
Data
2021/04/21 2021/06/03 2021/06/08 2021/08/25 2021/10/11
1.4
2021/10/27
1.5 1.6 1.7 1.7.1 1.7.2
2022/2/23 2022/05/21 2022/11/28 2024/08/17 2025/03/06
Notes
Initial Version Update module picture Update transmit power Update transmit power 1,change the Supply Voltage 2, Storage: -20°C to +85°C 1,change the Supply Voltage 2, Bluetooth version changed to 5.2 Update Pin31,P32 definition(Application only for HC05) Update Pin Name Update Operating temperature-10°C to +85°C Updated the description of the RF interface Add chapter:1.1 Selection of version
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Contact Us
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FSC-BT986 Datasheet
1. INTRODUCTION
Overview
FSC-BT986 is a high-performance, highly integrated Bluetooth 5.2 BR/EDR/BLE, designed to operate on the 2400MHz to 2480Mhz ISM frequency band.
Abundant peripherals, power-on reset (POR) and I2C/USB, arithmetic accelerators further reduce the cost and size of the entire system.
By default, Feasycom standard firmware is built-in, and customized firmware is also available.FSC-BT986 is a suitable product for designers who want to add wireless functions to their products.
Tx Power 0dBm Postage stamp sized form factor Working current is 5mA Support External Antenna RoHS compliant
Application
Health Thermometer Heart Rate Blood Pressure Proximity
Features
Bluetooth 5.2 Classical/BLE Proprietary double-mode RF SOC UART programming and data interface (baudrate can up to 921600bps) I2C/USB interfaces Digital Peripherals Two-wire Master (I2C compatible) , up to
400kbps LED drive capability AES256 HW encryption USB2.0 fullspeed,4Eps, support host mode Dual Core Digital Architecture ARM Cortex-M0 Core for application CPU clock speed up to 192Mhz 2.4GHz Transceiver Single-end RFIO -95dBm in BLE mode Support 250kbps, 1/2/3 Mbps data rates
Module picture as below showing
Figure 1: FSC-BT986 Picture
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FSC-BT986 Datasheet
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FSC-BT986 Datasheet
2. General Specification
Table 1: General Specifications
Categories
Features
Bluetooth Version
Frequency
Wireless
Transmit Power
Specification
Receive Sensitivity
Modulation
Raw Data Rates (Air)
UART Interface Host Interface and Peripherals
Profiles
Maximum Connections FW upgrade Supply Voltage Power Consumption Physical
Environmental
Miscellaneous
Humidity MSL grade:
GPIO I2C Interface Classic Bluetooth Bluetooth Low Energy Classic Bluetooth Bluetooth Low Energy
Supply
Dimensions Operating Storage Lead Free Warranty
ESD grade:
Implementation
Bluetooth v5.2 Dual mode 2.400 – 2.480 GHz 5dBm (Maximum) -95 dBm@0.1%BER (BLE mode) GFSK, /4 DQPSK, 8DPSK 3 Mbps TX, RX, Supports Automatic Flow Control (CTS and RTS lines). General Purpose I/O Default 115200,N,8,1 Baudrate support from 1200 to 921600 5, 6, 7, 8 data bit character 8 (maximum configurable) lines 1 (configurable from GPIO total). Up to 400 kbps Support Support 1 Clients 1 Clients Jlink 3.3V ~ 3.6V Working current 5mA 13mm X 26.9mm X 2.4mm; Pad Pitch 1.5mm -10°C to +85°C -20°C to +85°C Lead-free and RoHS compliant One Year 10% ~ 90% non-condensing MSL 3 Human Body Model: Class-2 Machine Model: Class-B
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FSC-BT986 Datasheet
3. HARDWARE SPECIFICATION
3.1 Block Diagram and PIN Diagram
ANT
24MHZ
Crystal
5.2 dual mode BT controller
DDD
ARM Cortex-M0
3.3V~ 3.6V GND
Figure 2: Block Diagram
UART I2C PIO/AIO USB/LED RESET
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FSC-BT986 Datasheet
Figure 3: FSC-BT986 PIN Diagram(Top View)
3.2 PIN Definition Descriptions
Table 2: Pin definition
Pin Pin Name
1
UART_TX
2
UART_RX
3
UART_CTS
4
UART_RTS
5
NC
6
NC
7
NC
8
NC
9,24 Tran/USB_DP/PIO1
10,23 Disc/USB_DM/PIO0
11 RESET
12 13 14 15 16 17 18 19 20 21 22 25 26 27 28 29,31
VDD_3V3 GND NC SWDIO SWCLK NC NC NC NC GND GND PIO2 PIO3 PIO4 PIO5 PIO6
30 PIO7
Type
I/O I/O I/O I/O
Pin Descriptions UART Data output UART Data input UART Clear to Send (active low) UART Request to Send (active low)
I/O Host MCU change UART transmission mode. (Default) H = instruction mode L = throughput mode Alternative Function: Programmable input/output line Alternative Function: USB_DP
I/O Host MCU disconnect bluetooth. (Default) Alternative Function: Programmable input/output line Alternative Function: USB_DM
I External reset input: Active LOW. Set this pin low reset to initial state
Vdd Power supply voltage 3.3V~ 3.6V Vss Power Ground
I/O Debugging through the data line I/O Debugging through the clk line
Vss Power Ground Vss Power Ground I/O Programmable input/output line I/O Programmable input/output line I/O Programmable input/output line I/O Programmable input/output line
Programmable input/output line Alternative Function 1: I2C_SCL Alternative Function 2: LED
Power On: Light Slow Shinning; Connected: Steady Lighting. I/O BT Status(Default)
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FSC-BT986 Datasheet
32 PIO9/LED
33 PIO10 34 PIO11 35 GND 36 EXT_ANT
Connected: High ; Not connected: low Alternative Function: Programmable input/output line Alternative Function: I2C_DAT I/O Programmable input/output line Alternative Function 1: LED(Default)
Power On: Light Slow Shinning; Connected: Steady Lighting. Alternative Function 2: BT status (Application only for HC05)
Connected: High; Not connected: low I/O Programmable input/output line I/O Programmable input/output line Vss Power Ground O RF signal output .
If you need to use an external antenna, you can shield the onboard antenna by modifying the module on the 0R resistor. Or contact Feasycom to modify.
4. FCC NOTE
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
– Reorient or relocate the receiving antenna. – Increase the separation between the equipment and receiver. – Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. – Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
FCC ID:2AMWO-FSCBT986
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FCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Device is equipped with Integral antenna Antenna 1: Model:WIFI740x8L50CM1 Antenna Type:FPC antenna Antenna2: Model:FYT-01-7 Antenna Type:FPCantenna Antenna Gain: Antenna 1:2.80dBi Antenna 2:2.63dBi
aThis device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. bAny Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. c: Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: –Reorient or relocate the receiving antenna. –Increase the separation between the equipment and receiver. –Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. –Consult the dealer or an experienced radio/TV technician for help.
FCC Radiation Exposure Statement This modular complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
If the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: 2AMWO-FSCBT986 Or Contains FCC ID: 2AMWO-FSCBT986” When the module is installed inside another device, the user manual of the host must contain above a, b, c warning statements . The devices must be installed and used in strict accordance with the manufacturer’s instructions as described in the user documentation that comes with the product. Any company of the host device which install the modular with modular approval should perform the test of radiated & conducted emission and spurious emission, etc. according to FCC part 15B Class B requirement, Only if the test result comply with FCC part 15B Class B requirementthen the host can be sold legally.
Documents / Resources
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FEASYCOM FSC-BT986 5.2 Dual Mode Bluetooth Module [pdf] Owner's Manual FSCBT986, 2AMWO-FSCBT986, FSC-BT986 5.2 Dual Mode Bluetooth Module, FSC-BT986, 5.2 Dual Mode Bluetooth Module, Dual Mode Bluetooth Module, Mode Bluetooth Module, Bluetooth Module, Module |