: It is highly popular for repurposing enterprise-grade hardware (like the Cisco 3502i Go to product viewer dialog for this item.
: This indicates that the file is archived using the tar command-line utility, a common method for bundling files in Unix and Linux.
The AP3600 is an (Wi-Fi 4) device with 3x4:3 streams, maximum 450 Mbps per radio. The JF15 image does not enable 802.11ac features – that requires 3700/3800 series. Do not expect Wave 2 performance.
ap# show version
: Ensure you understand what this file does. In this case, it seems to be related to firmware or software for a wireless device.