Question: What is the default value for the maximum energy detection threshold (in dB) when regulatory requirements are not defined, and the absence of other technologies is indicated for a band where regulations allow flexibility, with a single channel bandwidth of less than or equal to 5 MHz?
Option 1: -5dB
Option 2: 0dB
Option 3: 10dB
Option 4: 15dB
Explanation: According to the default maximum energy detection threshold computation procedure, when regulatory requirements are not defined, for bands allowing flexibility with a single channel bandwidth ≤5 MHz, and given the absence of other technologies, the most appropriate default value is 10dB, reflecting a cautious approach in the absence of specific regulatory guidance.