No what are vending machine connected to the Internet? How should choose?1

With the rapid development of electronic commerce and mobile payment, all kinds of unmanned self-service equipment trend gradually, these unmanned self-service equipment needs to be connected to the Internet, the vending machine is not exceptional also, networked way generally have cable, wifi and sim card. Cable connected to the Internet we all know, a desktop with the kind of crystal head broadband line, advantage is stable without interference signal, weakness is fatal, pull the cable is too trouble that need to be in a lot of places but it won't work equipment. The signal quality is not high equipment can use the wifi or, because of the defects of the signal quality is easy to be cracked, used in the vending machine is not satisfactory, more important is wifi generally are appended to the Internet, also need to install the broadband. Is another sim card, we usually use the phone card is a kind of sim card, sim card contains a variety of types, and vending machine, such as no self-service equipment dedicated sim card is also called the Internet of things, and the phone card is different, the Internet of things no CARDS opened SMS and voice business, only open the data traffic business, now are usually use 3 g / 4 g network. No vending machine of airborne computer is industrial PC, generally in the majority with android with touch screen, and mobile phone system is almost only stability better not install the software at sixes and sevens, also divided into telecom, unicom, mobile type or all of the winner-take-all full netcom, this point and android phones are basically the same. Because in different places, telecom, unicom, mobile 3/4 g signal quality is different, so I work for the vending function better networking, you need according to the specific situation to choose the appropriate sim card, such as some places only good unicom's 4 g signal then give the vending machine with unicom's 4 g network card, that is to say who good signal with card, this is a major premise. Although the vending machine industrial PC usually compatible with the normal flow of mobile phone card, but there will always be special cases, some ordinary mobile phone card in the vending machine do not make, intuitive performance is easy to offline, so the proposal had better use no vending vendors would recommend iot test stability of card card or by manufacturer. Note: vending easy touch technology as a professional factory with a variety of solution for the vending machine. Liverpoolfc. tv: service hotline: 4008655011