One unit as shown Does NOT include power supply, you will need a Netgear 12v 1.5 or 2 amp supply (will not run on 500 ma type) Ideally this is for someone who wants a backup on hand or replacing one that already has a good power supply Includes paperwork and CD as shown We are not experts but assume it only works with Frontier service? Buyer to verify or have knowledge of compatibility BEFORE purchase. No returns Guaranteed to power up on arrival We tested for power up with a borrowed power supply. Powered up , red and green LEDs lit up.