Brief specifications:

• Operating mode: BLE 5.4+SLE1.0
• Memory resources: 128KB RAM, 1MB Flash
• Operating voltage: 3.3V
• Mounting type: SMD
• Communication interface: UART
• Product dimensions: 18mm x 20mm
• Operating temperature: -20~＋85℃

Function and application scenario description:

This module integrates a 32-bit MCU and supports BLE + SLE. The built-in flash allows standalone program execution, enabling secondary development. It supports connectivity with HarmonyOS and can be applied to low-power devices such as gas meters, alarms, and smart home devices.