Details

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BUY L-FW802B https://www.utsource.net/itm/p/8147466.html

Parameter	Description
Part Number	L-FW802B
Type	Wireless Module
Frequency Band	2.4 GHz ISM band
Communication Protocol	Bluetooth Low Energy (BLE)
Operating Voltage	1.8V to 3.6V
Operating Current	< 15mA (Active mode), < 1uA (Sleep mode)
Transmission Power	Up to +4dBm
Sensitivity	-94dBm
Interface	UART, SPI, I2C
Dimensions	15.7mm x 10.2mm x 2.2mm
Antenna Type	Chip antenna
Certification	CE, FCC, IC

Instructions for Use:

1. Power Supply:

   • Ensure the operating voltage is within the specified range of 1.8V to 3.6V.
   • Connect the VCC pin to the power supply and GND to ground.

2. Communication Setup:

   • Choose the communication interface (UART, SPI, or I2C) based on your application needs.
   • Configure the baud rate and other settings as required for UART communication.

3. Antenna Connection:

   • The module uses a chip antenna; no external antenna connection is necessary.
   • Ensure there are no obstructions around the antenna area for optimal performance.

4. Firmware Update:

   • For firmware updates, refer to the manufacturer's guidelines.
   • Use the provided software tools to upload new firmware versions.

5. Operating Modes:

   • The module supports active and sleep modes to manage power consumption.
   • Switch between modes using the appropriate commands via the communication interface.

6. Environmental Considerations:

   • Operate the module in environments that do not exceed the temperature limits specified by the manufacturer.
   • Protect from moisture and corrosive substances.

7. Safety Precautions:

   • Follow local regulations regarding wireless communications.
   • Avoid exposing the module to high electromagnetic interference sources.

For detailed technical specifications and advanced configurations, refer to the datasheet provided by the manufacturer.

(For reference only)