BF2 Module (LF-WM05)
Product Description
Parameter
Target Applications
Terminal Devices
Applications
Documentation
Features
Content 1
Content 2
Content 3
Overview
The LF-WM Series Modules are a series of cost-effective, high-performance Wi-Fi/BLE modules based on the LF686C (32-bit RISC CPU with FPU). These modules are designed for applications in smart home, smart lighting, and industrial automation, providing customers with a high-value IoT solution.
Features
Module Features
| Support 802.11 B/g/n standard, frequency range 2400M ~ 2483.5MHz | Peripherals |
|
Memory: 276KB SRAM / 128KB ROM / 1Kb eFuse |
• 2*UART |
|
Storage: 2MB/4MB XIP Flash |
• 1*I2C |
|
Operating Voltage: DC 2.5V ~ 3.6V |
• 5*PWM |
| Wi-Fi /BLE Features | • 1*SPI |
| • Wi-Fi: Supports IEEE 802.11 b/g/n standards | • 1*SDIO |
| • Wi-Fi Modes: STA, SoftAP, and sniffer modes | • 1*12bit ADC |
| • Antenna: PCB onboard antenna | • 1*10bit DAC |
| • BLE: BLE 5.0 | • 13 * GPIO |
Related Block Diagram

Technical Specifications
| Item | Parameters |
|
Certification |
Module certified by SRRC/FCC/IC/ROHS/REACH, etc. |
|
Protocol |
802.11 b/g/n + BLE 5.0 |
|
Frequency |
2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz) |
|
TX Power |
19dBm @ 802.11b-1Mbps |
|
RX Sensitivity |
-95dBm @ 802.11b-1Mbps |
|
CPU |
RISC-V 32-bit Processor (2.5DMIPS/MHz @ 192MHz) |
|
Operating Voltage |
2.5 V ~ 3.6 V |
|
Operating Current |
Average 40mA |
|
Operating Temperature |
–20 ℃ ~ 85 ℃ |
|
Package Dimensions |
(16.00±0.10) mm x (24.00±0.10) mm x (3.00±0.10) mm |

Smart Home/Appliances
▪ This module is widely used in household appliances such as microwave ovens, water purifiers, pressure cookers, air purifiers, and washing machines, offering excellent functionality and stable performance.
▪ This module is certified by the JD Xiaojingyu (小京鱼) platform and supports integration with the Xiaojingyu (小京鱼) platform.

Smart Lighting/Electrical

Industrial Automation
EN_BF2module(LF-WM05)
Download
News
Video