
Some Purchasing Pitfalls
Pitfall #1 - Failure to Specify Measurable Performance Standards
Pitfall #2 - Failure to Specify Standards that Measure Digital Voice
Quality Directly
– Signal strength is not enough
– Digital radio requires subjective measure of voice quality
Pitfall #3 - Failure to Specify the Statistical Test
– “Greater Than” or “Confidence Window”?
– Number of samples required?
Pitfall #4 - Failure to Include Test Plan in the Contract
– Otherwise, endless finger-pointing when things go wrong
– Test for the actual user operating states
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