试题详情
- 单项选择题Cisco recommends a decibel referenced to 1 milliwatt signal level for the coverage cell edge at thepredetermined data rate that is needed to support the VoWLAN device and call capacityrequirements. What is that signal level value for Cisco Unified Wireless IP Phones 7920， 7921G， and7925G？（）
A、-65 dBm
B、-67 dBm
C、-69 dBm
D、-70 dBm
- B
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