A fluoride-based fluorescent material designated by a composition formula of MFn:R, wherein M is at least one element selected from the group consisting of rare earth elements, Al and Bi, alkaline earth metals, and alkaline metals, and R is a rare-earth-based activator including at least either Tb or Tb and Ce and n1, 2 or 3. The integrated magnetic component includes a PCB baseboard, wherein magnetic core, copper coils and pins are embedded in the baseboard. The system is also adaptable or applicable to measuring a number of other physiological parameters and reporting the same and derivations of such parameters. The multicast packet may be decoded and acknowledged by each of the slave devices on the piconet. The parallel paths of the armature winding are perfectly balanced.