Cisco Aironet 3800P Series Руководство по началу работы - Страница 4

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2.4GHz and 5GHz role, where one radio serves clients in 2.4GHz mode, while the other serves

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clients in 5GHz mode.

Dual 5GHz role, with both radios operating in the 5GHz band, actively serving client devices

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to maximize the benefits of 802.11ac wave 2 and to increase client device capacity.

Wireless Security Monitoring and 5GHz role, where one radio serves 5GHz clients, while the

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other radio scans both 2.4GHz and 5GHz for wIPS attackers, CleanAir interferers, and rogue

devices.

• Cross-AP Noise Reduction, a Cisco innovation that enables APs to intelligently collaborate in real

time about RF conditions so that users connect with optimized signal quality and performance.

• Optimized AP Roaming for ensuring that client devices associate with the AP in their coverage

range that offers the fastest data rate available.

• Cisco ClientLink 4.0 technology for improved downlink performance to all mobile devices,

including one-, two-, and three-spatial-stream devices up to 802.11ac Wave 1 and Wave 2. The

technology also improves battery life on mobile devices.

• Cisco CleanAir technology enhanced with 160MHz channel support. CleanAir delivers proactive,

high-speed spectrum intelligence across 20-, 40-, and 80-, and 160-MHz-wide channels to combat

performance problems arising from wireless interference.

• MIMO equalization capabilities, which optimize uplink performance and reliability by reducing

the impact of signal fade.

Antennas and Radios

The 3800 series access point contains two simultaneous dual-band radios, the 2.4GHz and 5GHz

MU-MIMO radio, and the 5-GHz 802.11ac MU-MIMO radio. The 3800P series access point

(AIR-AP3802P-x-K9) has two 2.4-GHz/5-GHz dual-band radios, up to 4 external dual-band dipole

antennas.

The radio and antennas support frequency bands 2400–2500 MHz and 5180–5865 MHz through a

common dual-band RF interface. Features of the external dual-band dipole antennas are:

• Four RTNC antenna connectors on the top of the access point

• Four TX/RX antennas