MG21 is a Meraki cellular gateway device. It will allow customers to use Meraki gear with cellular as a primary active uplink. MG21 only has a cellular connection as its uplink and acts as a wired uplink to devices that are attached to it (i.e., MX or any other router). MG21 can work with any routing device, Meraki or non-Meraki. With additional 802.3af compatibility, the MG can be placed anywhere and powered via power over ethernet (PoE) like any access point. This gives users the option for optimal physical placement for signal quality – a cornerstone for wireless WAN communications. MG series and Meraki cloud management: a powerful combo All Meraki devices are managed via the Meraki cloud, with an intuitive browser-based interface. The MG series are self- configuring and managed over the web, and can be rapidly deployed at remote locations without any assistance from end-users. Meraki Cloud services monitor all devices 24x7 and deliver real-time alerts if any devices encounters a problem. Remote diagnostics tools enable real-time troubleshooting through any web browser. New features and enhancements are delivered seamlessly over the web, so you never have to manually download software updates or worry about missing critical security vulnerability patches.