Amazon.com: 3G 4G LTE Antenna SMA Male Magnetic 3dBi GSM Antennas with Magnetic Sucker for Mobile Phone Signal Enhancer Repeater : Cell Phones & Accessories
Vandal Resistant Low Profile 3G/4G/LTE Antenna - 3-5 dBi Gain - Fixed Mount - 10 ft coax lead - Proxicast
Gridpack High Gain Antenna 3G/4G 1710Mhz-2170Mhz for Mobile Phone signal reception
Amazon.com: High Gain 10dBi SMA Male Wide Band 3G/4G LTE 5G Modems, Routers, & Cell Boosters Omni-Directional Outdoor Fixed Mount Antenna for Verizon, AT&T, T-Mobile Mobile Cell Phone 4G LTE Router, Eifagur :
Macab Pro-1100-5G MIMO 3G/4G/5G LTE antenna (6 dBi)