A secure container for controlling and monitoring access to at least one secured bag locking device is disclosed. The secure container is lockable to prevent access by unauthorized parties, and may include any feature of prior art secure containers, such as shock detection or a camera to photograph access. The secure container contains a number of rails to provide power to and monitor the status of docked secured bag locking devices. In addition, the secure container includes an antenna to allow secured devices to be tethered to it via communications with an active radio frequency identification tag secured to the tethered device.