Question

What is wireless intrusion detection system?

Answer 1

In computing, a wireless intrusion prevention system (WIPS) is a network device that monitors the radio spectrum for the presence of unauthorized access points (intrusion detection), and can automatically take countermeasures (intrusionprevention).

Answer 2

a wireless intrusion prevention system is a network device which  monitors the radio spectrum for the presence of unauthorized access points and can automatically take countermeasures