Cisco Aironet 1572EC - The Antenna Patterns

The antenna patterns are as follows:
When the AP1572E with AIR-ANT2568VG-N antennas is configured in the –B Regulatory Domain,
UNII-1 channels can not be used.
Note
Antenna Options for the AP1572IC
The 1572IC has internal antennas.
PerformanceParameter
2.4 – 2.5 GHz / 5.250 – 5.875 GHz
Frequency
4 dBi / 6 dBiGain
Linear, VerticalPolarization
55° / 25°E-Plane 3 dB Beamwidth
OmnidirectionalH-Plane 3 dB
InternalRF Connector
The antenna patterns are as follows:
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