Q1: What kind of SIM card do your devices support?
Re: It support global quad band(850/900/1800/1900) SIM card, 2G GSM network, and enable GPRS flow;

Q2: How about your platform cost?
Re: First year, free charge, from second year, 5USD/pcs/year, or 30USD for lifetime;

Q3: Can i build my own platform, and only use your device?
Re: Yes, of course, you can build your own plaftform, by our offering GPRS protocol, if you want our help to build a independent platform,
it will cost technical fee, details you can contact us directly;

Q4: Can i make my own distributor account on your platform?
Re: Yes, you can, if you are a distributor or want to be a distributor, please share all your IMEIs of devices, and then we can make a distributor account for you,
Available to manage your devices.

Q5: Is there phone APP, support Android and IOS system?
Re: yes, you can download the latest app here, www.19gps.net, and it support android and IOS, no Windows OS;