Ordinary USB data cable

There is no central control chip, the computer must be plugged in the phone line was considered cheap. Typical Model: Samsung CDMA series, D500 series; Motorola E398 series, V3 series; Nokia DKU-2; NEC N720 series; Siemens 65 series and so on.

USB data cable with IC

With central control chip, chip common model for the 2303,2101,3116 unplugged the computer will recognize the phone line, due to the price of an IC is 10 yuan, so the price is higher than without the expensive IC. Data cable that works with chip USB to COM, converts USB interface to the serial port on the computer display.

Typical Model: Samsung E638 series, D418 series; NEC N610 series; Siemens 25 series, 55 series; Sony Ericsson phone line; Panasonic phone line; Lenovo phone lines, data lines, etc. Nuisance India.

Special USB cable

The popularity of non-ordinary chip, chip, such as a dedicated special model: DKU-5, CA-42, DCU-11 and so on.

Note: Please do not be mistaken for a good quality with the IC, IC with no difference in quality, with or without actual IC is based on the production of mobile phones to the applicable model.

From the factory to the classification

Original original; domestic brands; Domestic unlicensed.

1, the original manufacturer: directly by mobile phone manufacturers, or providing material commissioned by a manufacturer of OEM, marked with a mobile phone brand, best quality, the most expensive.

2, domestic brands: the data line has its own brand, in addition to the printed on the packaging manufacturer's address and telephone number, more formal, good quality and low price, such as full USB data cable data lines.

3, unlicensed: no identity and brand manufacturers. Such classification data line 2, the first line is specializing in the export of data, foreigners need not bear Chinese brands, the quality is very pass this line, the price is still low in the domestic brand line, the highest price; the second is the brand-name lines and the price is very low, very poor quality, we buy beware, please choose to compare reputable sellers where to buy.