FSC-BT618V Automotive Qualified Bluetooth 5.2 Low Energy Module with Ultra-Low Power Consumption for Digital Car Keys


The Feasycom FSC-BT618V is a Bluetooth 5.2 Low Energy module specifically designed for applications in digital car keys, automatic meter reading (e.g, water and electricity meters), medical devices, and fitness equipment. It offers optimized features to meet the unique requirements of these devices.

One of the key highlights of this module is its ultra-low power consumption, which greatly enhances the battery life of Bluetooth devices. This makes it well-suited for battery-powered applications, ensuring extended usage without frequent battery replacements.

Furthermore, this module supports Angle of Arrival (AoA) positioning functionality, which can be implemented using the provided SDK. This enables precise location tracking, enhancing the capabilities of devices that require accurate positioning.

Additionally, the FSC-BT618V module has undergone AEC-Q100 certification, making it suitable for automotive-grade applications. It supports a wide operating temperature range of -40°C to +105°C, ensuring reliable performance even in harsh environmental conditions.


  • 2.4GHz RF transceiver compatible with Bluetooth 5.2 Low Energy and earlier LE specifications
  • Excellent receiver sensitivity: –105 dBm for Bluetooth 125kbps (LE coded PHY), –97 dBm for 1Mbps PHY
  • Qualified for automotive applications
  • AEC-Q100 qualified (Device temperature grade 2: -40 ℃ to +105 ℃ ambient operating temperature range, Device HBM ESD Classification Level 2, Device CDM ESD Classification Level C3)
  • Integrate MCU to execute Bluetooth protocol stack
  • Postage stamp sized form factor
  • Ultra-low power consumption
  • Class 1.5 support (Output power up to +5 dBm)
  • The default UART Baud rate is 115.2 Kbps and can support from 1200 bps to 921.6 Kbps
  • UART, I2C, SPI, 12-bit ADC (200 kSamples/s) peripheral interfaces
  • Supports the OTA upgrade
  • Supports GATT, ATT, GAP, LE HID, and other BLE protocols
  • Supports eight capacitance sensor button Integrated temperature sensor


  • Home and building automation (connected appliances, lighting, locks, gateways, and security systems)
  • Industrial (logistics, production and manufacturing automation, asset tracking and management, HMI and remote display, and access control)
  • Retail (beacons, advertising, ESL and price tags, point of sales and payment systems)
  • Health and medical (thermometers, SpO2, blood glucose and pressure meters, weight scales, and hearing aids)
  • Sports and fitness (activity monitors and fitness trackers, heart rate monitors, running and biking sensors, sports watches, gym equipment, and team sports equipment)
  • HID (voice remote controls, gaming, keyboards and mice
  • Automotive (car access and security systems, PEPS, PaaK, RKE, BMS, and ADAS)


Item Description
Certifications SRRC, FCC, CE, IC, TELEC
Bluetooth Version Bluetooth 5.2 (BLE)
Interface UART, GPIO, I2C, SSI, ADC, PWM
Frequency 2.402 GHz to 2.480 GHz
Transmitt Power +5 dBm (Max.)
Receive Sensitivity -97 dBm for 1Mbps PHY and -105 dBm for 125kbps LE coded PHY
Antenna Integrated chip antenna
Size 13 x 26.9 x 2.0 mm
Operating Temperature -40 °C to +105 °C
Power Supply 1.8 V to 3.6 V


Firmware No. Application Profiles Support
FSC-BT618V Data GATT(Server & Client), OTA
FSC-BT618V Other Customization


Type Title Date
Programming User Guide FSC-BT6xx Programming User Guide V3.0 (BLE) April 1, 2022

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