The Antenna Patterns - Cisco Aironet 1572EC Deployment Manual

The antenna patterns are as follows:
When the AP1572E with AIR-ANT2568VG-N antennas is configured in the –B Regulatory Domain,
Note
UNII-1 channels can not be used.
Antenna Options for the AP1572IC
The 1572IC has internal antennas.
Parameter
Frequency
Gain
Polarization
E-Plane 3 dB Beamwidth
H-Plane 3 dB
RF Connector
The antenna patterns are as follows:
18
Performance
2.4 – 2.5 GHz / 5.250 – 5.875 GHz
4 dBi / 6 dBi
Linear, Vertical
55° / 25°
Omnidirectional
Internal