For Cisco 819-4g Router Switch Ac Adapter Charger Power Supply - Used - Ac/dc Adapters - AliExpress
Cisco PWR2-20W-12VDC= Power Adapter - 12 V - 20 Watt - For Cisco 819 4G Lte M2M Gateway, 819 Secure Hardened Router With Sms/Gps And Dual Wifi Radio - Newegg.com
Brief: New Cisco Router to Connect ATMs, Refrigerators to the Internet | WIRED