The PSKN3-700/2700S is a rubber duck style device antenna that operates on 4G LTE frequencies from 694-2700 MHz.
This Knuckle-Swivel style antenna can be used in either a straight or right-angled postion.
It terminates in an SMA plug (male) connection. A separate model, the PSKN3-700/2700T comes with a TNC plug (make) connectors.
For more details, please see the product spect sheet.