Systems and methods for frequency specific closed loop feedback control of integrated circuits. An exemplary rod bracket includes a base portion adapted and configured to be mounted to a surface and a top portion adapted and configured to mate with the base portion. In response to successfully performing the mutual authentication operation between the removable storage media and the hardware security unit, the system unit is enabled to invoke cryptographic functions on the hardware security unit while the removable storage media remains engaged with the system unit. All the ceramic layers are polarized in the same direction, and by applying an alternating signal between the main surface electrodes and the internal electrode, bending vibration of the laminate occurs. The chips are exposed to a displacement wash after the chips have passed the outlet tap. At a receiver, the virtual channel table transmitted from the transmitting side is parsed, thereby determining whether the current received channel is an active or inactive channel.