EMeskymall 15M / 50ft WiFi WAN Router Wi-Fi Antenna RP-SMA Male to RP-SMA Female Extension Cable Cable Length: 15M / 50ft RP-SMA (Reverse Polarity SMA) extension cable Convenient to use,plug into your Meraki, D-link DWL520, Linksys WMP11, WET11, Netgear MA311, or D-link APs (any devices with Reverse Polarity SMA) With the extension cable ,you can install the antenna to the ideal location