Amazon.com: High Power Antenna Kit for Cisco 819 LTE Router with Panel Antenna and 50 ft Cable : Electronics
Cisco Cellular Antenna Part Number ANT-4G-OMNI-OUT-N=
Proxicast - 8 dBi High Gain External Magnetic Antenna for Cradlepoint, Novatel, Pepwave, CalAmp, Digi, Sierra, Red Lion and other 3G / 4G / LTE routers & modems with SMA connectors