There are a few paths when designing your wireless product: use a pre-certified module, non-certified module or design your own wireless transmitter from scratch. Each path has its own complexities and design time.
Using a pre-certified module from Digi International is one of the quickest ways to market. The module is already designed and certified for some of the major countries in the world. This is usually the best path forward if you are not familiar with wireless design or the certification process.
There are a few important things to note when development with pre-certified modules:
Here are some important practices that can get your product to market faster, with fewer board spins and at a reduced cost: