Described is an RFID-enabled medical item storage, organization, and/or tracking device, such as a cabinet or shelf, that includes a limited-range wireless network communication capability, such as low-energy Bluetooth or Zigbee, to communicate with nearby cabinets, shelves or mobile devices, any of which may serve as a communication aggregator to coordinate the communication of multiple cabinets, shelves and other devices with an inventory management system or other back-end computer system or other device via back haul wireless or wired networks (e.g., the Internet).