Universal USB port
No central control chip, can only connect to the phone and computer, cheap. Representative products: Samsung series, D500 series; MOTOROLA E398 series, V3 series, Nokia DKU-2, these two phones, all have their own brands. NECN720 series, Siemens 65 series, and so on.
With IC USB port
The general chip is 2303, 2101, 3116, etc., no plug can recognize the line, because an IC costs 10 yuan, so the price is a little higher. Data line and chip working principle is USB to COM, the USB interface into a serial port, and display on the computer.
Samsung E638 series, D418 series; NECN610 series; Siemens 25 series, 55 series, SONY Ericsson, Panasonic, mobile phone, Lenovo.
Dedicated USB port
These are not just any general-purpose chips. There are DKU-5,CA-42,DCU-11, etc., all specially designed.
Note: Please don't make a mistake about the quality of IC. The quality of IC is not good without IC. In fact, IC with or without IC is manufactured according to the applicable model of mobile phone.
Divided by manufacturer
The original; Domestic brands; Without a brand.
1. Original packaging: Directly manufactured by the mobile phone manufacturer, or provide raw materials, commissioned manufacturers for processing, and marked with its brand, the highest quality, the highest price.
2. Domestic brand: the data line should have a brand, and the address and contact information of the manufacturer should be marked on the package, so that it is more standardized, better, cheaper and cheaper.
3. No license: no manufacturer and trademark. These data lines are divided into two kinds, one is specialized data lines, do not need Chinese products, because its quality is very good, and the price is cheaper than domestic products, is also the most cost-effective. The second type is inferior products, low price, poor quality, you must pay attention to the purchase, to the reputation of better merchants to buy.
If you need a very good quality usb cable, please look for wushuang brand.
