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Table 2: Specifications for AP21
Parameter
Radio frequency (RF)
Maximum PHY rate (maximum transmit
rate at the physical layer)
Maximum devices that each radio
supports
You must install the unit and all interconnected equipment indoors within the same building, including all
PoE-powered network connections as described by Environment A of the IEEE 802.3af standard.
The AP21 is suitable for use in environmental air space in accordance with Section 300-22(C) of the
National Electrical Code, and Sections 2-128, 12-010(3), and 12-100 of the Canadian Electrical Code,
Part 1, CSA C22.1.
Power Requirements for AP21
The AP21 requires at least 802.3af power. To provide full wireless functionality, the AP21 requests
12.9 W. You can use any of the following options to power on an AP21:
• Power over Ethernet (PoE) from an Ethernet switch.
We recommend that you use an Ethernet cable with a maximum length of 100 m to connect the AP
to the switch port.
If you use an Ethernet cable that is longer than 100 m by placing an Ethernet PoE extender in the
path, the AP might power up, but the Ethernet link does not transmit data across such a long cable.
(Continued)
Description
•
5-GHz radio—2x2:2SS 802.11ac
•
2.4-GHz radio—2x2:2SS 802.11ac
•
2.4-GHz or 5-GHz scanning radio
•
2.4-GHz BLE with dynamic antenna array
•
Total maximum PHY rate—1267 Mbps
•
For the 5-GHz radio—867 Mbps
•
For the 2.4-GHz radio—400 Mbps
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