Juniper Systems Allegro MX User Guide - Manual (Page 79)

Power Input 12 volts DC; Range 10-20 VDC;
reverse polarity protection; over
voltage protection; auto shut off
Wireless
Communications
Optional integrated Bluetooth and
802.11 b/g WLAN (Wi-Fi)
Internal Clock Integrated real time clock with
battery backup
Enunciators On system tray
A Product Specifications and Warnings
7