SIM card connector is the link port of the next generation memory device of SD memory card based on semiconductor flash memory. In the volume of 24mm × 32mm × 2.1mm, combined with SanDisk flash card control and MLC (mullevell cell) technology, Toshiba 0.16u and 0.13u NAND processing technology, the SIM card is connected with the SIM card clip through a 9-pin interface, and no additional power supply is needed to save the above information. SIM card holder enables users to quickly, simply and safely download various forms of digital files to the memory card (SIM card) from Internet and other information sources. Of course, you can also upload your own files to the SIM card through the SIM card holder to meet the mobile demand. The structure of SIM card holder can ensure the security of digital file transmission, and it is easy to reformat, so it is widely used in digital cameras, portable music players and other consumer electronic products. You only need to download the files to the SIM card through the SIM card clip and select the appropriate playback device of smart card connector company to enjoy portable music, movies, news, etc.

Ciodin is the main manufacturer of SIM card holders. In 2000, ciodin's SIM card holders produced more than 30 million sets with a data transmission rate of 10MB / s. by 2003, we had signed contracts with many brand customers and increased our production capacity by 50%.

In order to apply SIM cardholder transmission technology to various fields, ciodin has developed SIM cardholder application fields with various forms, technical indicators and operation modes

1. Audio and video products: MP3, MP4, DVD. Audio;

2. Digital products: digital camera, digital video camera, etc. ；

3. Remote control: remote control of car, rolling shutter door and household anti-theft products;

4. Communication products: mobile phone, car phone, telephone, construction equipment, PDA, etc. ；

5. Household appliances: TV, microwave oven, rice cooker, electric fan, electronic weight scale, electronic fat scale, electronic kitchen scale, etc. ；

6. Safety products: Video walkie talkie, monitor, etc. ；

7. Toys: electronic toys, etc.

8. Computer products: camera, recorder, etc. ；

9. Fitness equipment: treadmill, massage chair, etc. ；

10. Medical equipment: sphygmomanometer, thermometer, hospital call system, etc. 11. Others: banknote checking pen, laser pen, etc. ；