- Sep 30, 2017 -
No IC (central control chip); IC (central control chip); Special chips.
1. Without IC (central control chip) : no central control chip must be plugged into the computer to recognize the line and the price is 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, take IC: take the central control chip, the common chip models for 2303, 2101, 2303, without mobile computer will recognize line, because a IC price is 10 yuan, so the price is expensive than that of without IC. USB to COM is the working principle of the data line with the chip, and the USB port is converted to the serial port and displayed on the computer.
Typical model: samsung E638 series, D418 series; NEC N610 series; Siemens 25 series, 55 series; Mobile phone data cable; Panasonic mobile data line; Lenovo phone data line and so on.
3. Special chip: non-ordinary popular chip, special special model chips such as: dku-5, ca-42, DCU -11, etc.
Note: don't mistake the quality of IC with IC, and no IC is poor, and the actual band without IC is based on the application model of mobile phone.