The _________ consists of a cell phone-size device worn on the ankle that detects a BAC as low as ...

The _________ consists of a cell phone-size device worn on the ankle that detects a BAC as low as 0.02 and a modem that transmits the information to a monitoring agency.
 
  Fill in the blank(s) with the appropriate word(s).

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(Question #2) _________ systems are used primarily as a response to the problem of intoxicated driving.
 
  Fill in the blank(s) with the appropriate word(s).

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(Question #3) A(n) _________ cannot track inside buildings or other enclosed areas and is limited to areas with good-quality cell phone coverage.
 
  Fill in the blank(s) with the appropriate word(s).

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(Question #4) _________ takes advantage of satellite-based technology.
 
  Fill in the blank(s) with the appropriate word(s).