What is cell phone card connector? What are the types of specifications?

Cell phone card connectors are interfaces used to insert and secure a cell phone SIM card or memory card (e.g., MicroSD card). They are located inside the cell phone device and provide an electrical connection and fixation mechanism to communicate with the SIM card or memory card. The following are the main types and specifications of cell phone card connectors: 1. SIM card connector: Mini-SIM connector: also known as a regular SIM card connector, is the type of connector used in early cell phones. The size is about 25mm × 15mm with six metal contacts.Micro-SIM connector: In order to reduce the size of the device, Micro-SIM connectors are widely used in smartphones. The size is about 15mm × 12mm and still maintains six metal contact points.Nano-SIM connector: Nano-SIM is the most commonly used SIM card size in cell phones today. The connector size is about 12.3mm × 8.8mm, usually with eight metal contact points.2. Memory card connector: MicroSD connector: MicroSD card is a memory card standard used to expand the storage capacity of cell phones.MicroSD connector usually has a small plastic slot for inserting and fixing the MicroSD card. The connector measures approximately 15mm × 11mm.Nano-SIM Combo Connector: Some cell phone manufacturers use a Nano-SIM Combo connector, which integrates a Nano-SIM card and a MicroSD card slot to provide greater flexibility and convenience. There are also specialized connector types for specific handset brands or models, such as the eSIM connector for support of embedded SIM card technology. It is important to note that different handset manufacturers and models may use different connector types and specifications, so when replacing or upgrading your card, you need to ensure that you select the correct connector type and specification that is compatible with your handset.

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