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Classification USB interface data cable
1. Without IC: There is no central control chip, you must plug in the phone line computer 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.
2, with IC: with central control chip, the chip's general model 2303,2101,3116, do not plug the computer will recognize the phone line, as the price of an IC is more than 10 yuan, so the price is higher than without the IC's expensive. Data cable that works with chip USB to COM, to convert into a USB port on the computer serial 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 and so on.
3, a special chip: non-ordinary popularity chip, chip dedicated special models such as: DKU-5, CA-42, DCU-11, and so on.
Note: Please do not be mistaken for 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.