A consultant is called in to help troubleshoot connectivity problems an office is experiencing with their 802.11a wireless network. The office manager reports that at random times during the day, workers will lose wireless connectivity for different spans of time. There is no pattern to the drops in connectivity. Which of the following causes should the technician explore FIRST in troubleshooting the office issues?
A. 2.4 GHz portable phone system
B. Microwave ovens
C. 5G Hz portable phone system
D. Two Way RF radios