UISP Power Pro Features: (3) Power TransPort outputs Delivers up to 480W* (27V DC) to supported UISP devices (2) PSU bays with (1) 250W AC/DC Power Supply included (1) 24V DC port for connecting an external battery (not included) Supports SMS-over-LTE (Cat M1) notification** Managed with the UISP application: Version 1.4.8 and later *With (2) power supplies installed. **Requires a nano-SIM card from a Cat M1 SMS provider..