The Idea Top features a larger internal sound chamber and a more powerful piezoelectric driver than the standard PSW900. It produces at 30 cm. To put that in perspective, that is as loud as a chainsaw or a passing subway train. When a firefighter is inside a burning building with an SCBA mask on, they will hear this pager.
Here is why:
How does it stack up against modern rivals?
The Idea Top features a larger internal sound chamber and a more powerful piezoelectric driver than the standard PSW900. It produces at 30 cm. To put that in perspective, that is as loud as a chainsaw or a passing subway train. When a firefighter is inside a burning building with an SCBA mask on, they will hear this pager.
Here is why:
How does it stack up against modern rivals? swissphone psw900 idea top