These were pulled from a working environment. 

Tested Working with a 90 Day Hardware Warranty.

Free Fedex Ground Shipping in the lower 48 States. 

Includes a power adapter for each modem. 

Let me know if you have any questions

Here is a link to more info from US Robotics Website: HTTPS://www.usr.com/support/product-template.asp?prod=5686    also : HTTPS://www.usr.com/support/5686/5686-files/568603-ig.pdf