Subscription plan required. Duo uses a
global GSM cellular modem - which makes it secure, high performance and global. Since Duo uses cellular data, it
needs a data plan.
A subscription is $4 flat per month, with unlimited alerts and usage, with no contracts - cancel anytime.
Every Duo includes 30 days of free data, and we offer a full refund within 15 days with every purchase if you're not satisfied.
Get peace of mind today at an affordable price - with a full year of warranty and support, and our money back guaranteed.