Qingdao Intelligent & Precise Electronics Manuals & User Guides

Qingdao Intelligent & Precise Electronics Co., Ltd. is a specialized manufacturer of electronic components and smart devices based in Qingdao, China. The company serves as a key OEM (Original Equipment Manufacturer) supplier for the consumer electronics industry.

Common products documented under this brand include:

• Wireless Modules: Wi-Fi and Bluetooth adapters (e.g., MWH648S, MW15S) used inside smart TVs to enable network connectivity.
• Smart Security: Electronic keypad and fingerprint locks (e.g., M19F) for residential use.

These components are often integrated into broader systems, such as Hisense televisions, or sold as standalone smart home hardware.

• How do I install the Qingdao WiFi module in a TV?

  Modules like the MWH648S are typically installed by passing the unit through the TV bracket's limit column, snapping it into place, and connecting the external IPEX antenna to the pedestal.

• How do I reset the Qingdao M19F electronic lock?

  To reset the M19F lock to factory default settings, keep the door open, open the battery cover, and press the SET button for more than 5 seconds until the lock beeps 5 times and the light flashes blue.

• What is the operating temperature for Qingdao wireless modules?

  Most Qingdao WiFi modules, such as the MWH552B, are designed to operate between -10°C and 70°C.