The MRM3-3500 (CBRS) antennas provide 2.5 dBi gain in a micro-sized package.
This antenna uses Private LTE networks on 5G CBRS (Citizen Band Radio Serice) at 3.5 GHz. Otherwise, a similar model, the MRM3-2600, is available for the 2.5-2.7 GHz band.
The MRM3-3500 (CBRS) measures only 1.35 inches tall and 1 inch wide (34 mm x 25mm). In addition, it mounts easily to a vehicle or fixed utility box. This is through a small 9/16 inches (14.3mm) mounting hole and access is required to the underside of the body surface.