No. Bluetooth radios operate on the unlicensed 2.4 GHz (Industrial, Scientific and Medical) frequency band that is shared among other devices (microwave ovens, cordless phones, garage door openers, etc. ). Bluetooth radios switch frequencies at such a rapid pace (1,600 times per second) and the data packets are so small that interference from other RF sources is highly unlikely. Bluetooth is a robust communication system.

1.Wireless control of and communication between a cell phone and a hands free headset or car kit. This is the most popular use. 2.Wireless networking between PCs in a confined space and where little bandwidth is required. 3.Wireless communications with PC input devices such as mouses and keyboards and output devices such as printers. 4. Transfer of files between devices via OBEX. 5.Transfer of contact details, calendar appointments, and reminders between devices via OBEX. 6.Replacement of traditional wired serial communications in test equipment, GPS receivers and medical equipment. 7.For remote controls where infrared was traditionally used. 8.Sending small advertisements from Bluetooth enabled advertising hoardings to other, discoverable, Bluetooth devices. 9.Sending small advertisements from Bluetooth enabled advertising hoardings to other, discoverable, Bluetooth devices. 10.Wireless control of a games console, Nintendo's Wii and Sony's PlayStation 3 will both use Bluetooth technology for their wireless controllers. 11.ending commands and software to the upcoming LEGO Mindstorms NXT instead of infra red.

A real time operating system has well defined fixed time constraints. Process must be done within the defined constraints or the system will fail. An example is the operating system for a flight control computer or an advanced jet airplane. Often used as a control device in a dedicated application such as controlling scientific experiments, medical imaging systems,industrial control system, and some display systems. Real-Time systems may be either hard or soft real-time. Hard real-time: Secondary storage limited or absent, data stored in short term memory, or read-only memory (ROM), Conflicts with time-sharing systems, not supported by general-purpose operating systems. Soft real-time: Limited utility in industrial control of robotics, Useful in applications (multimedia, virtual reality) requiring advanced operating-system features.

It is a review of a procedure or hospital admission done by a health care professional (usually a nurse) other than the one providing the care, during the same time frame that the care is provided. Usually conducted during a hospital confinement to determine the appropriateness of hospital confinement and the medical necessity for continued stay.

It is the practice of a provider seeing a patient more often than is medically necessary, primarily to increase revenue through an increased number of services. Churning may also apply to any performance-based reimbursement system where there is a heavy emphasis on productivity

It is health coverage that a new enrollee has had in the past that gives the enrollee certain rights when he or she applies for new coverage. Certain kinds of previous health insurance coverage, such as group plan coverage, that can be used to shorten a pre-existing condition waiting period under a new plan.