A technician installed two ground plane antennae on 802.11n bridges connecting two buildings 500 feet apart. After configuring both radios to work at 2.4ghz and implementing the correct configuration, connectivity tests between the two buildings are unsuccessful. Which of the following should the technician do to resolve the connectivity problem?
A. Substitute wireless bridges for wireless access points
B. Replace the 802.11n bridges with 802.11ac bridges
C. Configure both bridges to use 5GHz instead of 2.4GHz
D. Replace the current antennae with Yagi antennae