Requirement(s):
PCI DSS v3.1: 11.1 Implement processes to test for the presence of wireless access points (802.11), and detect and identify all authorized and unauthorized wireless access points on a quarterly basis.
PCI Card Production v1.1: 5.7.1.e When a vendor uses a wireless network, the WIDS must be used to conduct random scans within the HSA at least monthly to detect rogue and hidden wireless networks.