From the manufacturers to categories: original original; domestic brands; domestic unlicensed.
1, the original factory: by the mobile phone manufacturer direct production, or provide a commission commissioned by a manufacturer OEM, the above marked mobile phone brand, the best quality, the most expensive price.
2, domestic brands: the Data Cable has its own brand, in addition to the packaging printed on the manufacturer's address and telephone, more formal, good quality, low prices, such as Ling Kai data cable. Such Data Cable are not many, domestic Data Cable are generally unlicensed.
3, no license: no logo manufacturers and brands. This kind of Data Cable is divided into two kinds, the first is the professional export Data Cable, foreigners do not need to paste Chinese brand, this line quality is clearance, the price is still lower than the domestic brand line, the highest cost; the second is the brand , The price is very low, the quality is very poor, we must be careful to buy, please choose to reputable vendors to buy there.
Typical models: Samsung CDMA series, D500 series; Motorola E398 series, V3 series; Nokia DKU-2; NECN720 series; Siemens 65 series and so on.
1, without IC: no central control chip, you must plug in the phone computer line, cheap.
2, with IC: with the central control chip, the general model of the chip 2303,2101,3116, do not have to plug the computer will be approved line, because the price of an IC is 10 yuan, so the price is more expensive than without IC. With the chip Data Cable works is USBtoCOM, the USB interface into a serial port on the computer display.
Model: Samsung E638 series, D418 series; NECN610 series; Siemens 25 series, 55 series; Sony Ericsson mobile phone data cable; Panasonic mobile phone data cable; Lenovo mobile phone Data Cable and so on.
3, special chips: non-ordinary popular chip, dedicated special models such as: DKU-5, CA-42, DCU-11 and so on.
Note: We should not mistakenly believe that with the IC of good quality, without the poor quality of IC, with no actual IC is based on the application of mobile phone models to the production.