The AP3935i comes with an integrated eight port antenna array for ease of installation. The AP3935e requires professional installation and includes eight Reverse Polarity Sub-Miniature Version A (RPSMA) antenna connectors supporting both 2.4GHz and 5GHz band antennas. The AP3935 uses 802.3at Power over Ethernet (PoE+) for maximum performance and can operate within an 803.2af power budget with reduced performance. An optional external power supply is available for deployments that do not support Power over Ethernet.