The RFMAX "Brick" antenna # RBDM-55-SS-3 is a compact, ultra-rugged direct-mount antenna designed for M2M machine-to-machine applications like Irrigation Control, Digital Signage, Surveillance, Lottery and ATM machines. The unit measures 7.9 x 3.5 inches, with a height of just 1.8 inches. This antenna was designed to meet all specifications of 3G, 4G/LTE and 5G (including Band 71 and CBRS) from the major North American cellular carriers including AT&T, Verizon, Sprint & T-Mobile. Sub-6 Frequency range is 600-6000 Mhz. This unit was designed for use with MiMo 4G/LTE or 5G cellular modem gateways from Cradlepoint, Sierra Wireless, PepLink, etc. The "Brick" antenna is easy to install using the heavy-duty threaded stud mount which is 100% vandal proof and IP67 rated for year-round indoor or outdoor use. The super-efficient wireless technology built into these antennas allows for FAST access to the cellular network. This ensures that ATM machines are able to clear bank transactions in seconds, and digital signage is able to upload & download media content at maximum speed. The antenna includes dual 3 foot long, low loss cables with SMA male connectors.