This is a mail-in only service where you provide the mifi. It must be a Verizon or Sprint device and one on the checklist Please do not send the power cable. We will program your device and send it back within one day of receiving it. It will be activated and payment instructions will be sent with your device. This is for unlimited 3g data. Please check your Verizon's coverage map to get a better idea of what signal you will be receiving. We offer free technical support and will help you trouble shoot any problems that you may encounter. If you have additional questions, please send us an email.