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Handheld two-way radio with digital selective calling

  • US 20020025791A1
  • Filed: 03/20/2001
  • Published: 02/28/2002
  • Est. Priority Date: 03/20/2000
  • Status: Abandoned Application
First Claim
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1. A hand-held two-way radio comprising:

  • a VCO operative to modulate the radio signal frequencies of a guard channel such that the guard channel can be changed by changing the output of the VCO.

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