Product Name: OBU shell

Product model: wk0004

Detailed description:

New imported PC + ABS;

Good fit size, good surface finish;

Can provide surface printing, assembly, soldering, dispensing and other services;

Color options 

Scope of application

Electronic products, handheld devices and other precision shell

Scope of application

Bluetooth card terminals, water, electricity, gas meters, and other devices

Network optimization information:

Principle of contact IC card interface technology the IC card reader should be able to read and write IC cards that meet is07816 standard. In IFD, IC card interface circuit is used as communication channel between IC card and CPU. In order to ensure the security and reliability of communication and data exchange, the electrical signal generated by IC card interface circuit must meet the following specific specifications. Complete the basic operation of IC card insertion and exit identification. The IC card interface circuit has strict timing specification for the identification of IC card insertion and exit, that is, the activation and release of the card. If it can't reach the same specification, the IC card can't do the basic operation normally. If it's serious, it will damage the IC card or the IC card writer.

In too many cases, we need to learn all kinds of common sense in the basic operation of IC card. The sliding SIM card holder is also to improve our life. And in the case of basic operations, you can pay attention to do a variety of related basic operations. Therefore, the IC card and friction IC card holder components will not be damaged due to ignoring various related environments.