Qingdao Intelligent & Precise Electronics manufactures OEM wireless modules for smart TVs and consumer smart home devices like electronic locks.
Qingdao Inteligentna i precyzyjna elektronika 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:
These components are often integrated into broader systems, such as Hisense televisions, or sold as standalone smart home hardware.
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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.
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.
Most Qingdao WiFi modules, such as the MWH552B, are designed to operate between -10°C and 70°C.