Emergency Responder Radio Communications Systems (ERRCS) - ERRCS is a Public Safety, in-building solution for emergency responders to maintain radio communications during an incident.
Enterprise Radio Access Network (E-RAN) - An Enterprise Radio Access Network is a cost effective method for connecting end-user devices to the cloud, and is an ideal indoor solution for delivering cellular services into medium and large buildings.
Evolved Packet Core (EPC) - EPC is a 4G LTE term referring to the a group of components in a flat architecture that's scalable and provides network control and user traffic delivery services.