What is the pricing structure?

There are mainly 2 components required.
Probe:
The hardware probe is a one-time charge and comes in 100Mbps or 1Gbps model. You may also choose to use Virtual Probe which is free.

Subscription:
The Sinefa subscription is required to access the management web app. Subscription is charged per 100mbps link per month or per 1Gbps link per month.