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2x2 MiMo 5G/4G-LTE Cellular Antenna for Machine To Machine Communication. Dual 3 ft. Cables & SMA Connectors. RBDM-55-SS-3

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2x2 MiMo 5G/4G-LTE Cellular Antenna for Machine To Machine Communication. Dual 3 ft. Cables & SMA Connectors. RBDM-55-SS-3

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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.

More Information

RFMAX "Brick" Antenna

  • Size: 7.9 x 3.4 x 1.8 Inches
  • Out-performs ALL similar antennas
  • Elements: Dual/MiMo 4G/LTE & 5G Cellular (Sub-6, Band 71, CBRS)
  • High Gain at all frequencies for maximum connection speeds
  • Designed for Indoor or Outdoor Installations (IP67 rated)
  • Easy to install, Rugged & 100% Vandal Proof
  • Approved for use with all major carriers: AT&T, Verizon, Sprint
  • Optimized for Cradlepoint, Sierra Wireless, Digi, etc.



Manufacturer Part Number RBDM-55-SS-3
Manufacturer RFMAX
Antenna Category 4G/LTE/5G (600-6000 MHz)
Working Frequency 617-960 MHz
Gain 3.3 dBi @ 617-960 MHz
Working Frequency 2 1710-6000 MHz
Gain 2 5.2 dBi @ 1710-6000 MHz
Antenna Style "Brick" Multi-Element Antenna
Polarity Linear
Bands Multi
Directional or Omni Omnidirectional
Impedance 50 Ohm
VSWR: < X: 1 <2.2:1 (Cell)
Horizontal/Azimuth Beamwidth 360
Plenum/Fire Rating UV Stable, UL94 Radome
No Of Elements 2
Cable Length - PT195 3 Feet
Height/Length (inches) 7.9
Height/Length (mm) 202
Width (inches) 3.4
Width (mm) 88
Thickness/Diameter (inches) 1.8
Thickness/Diameter (mm) 45
Weight (lbs) 2
Material UV Stable, UL94 Radome
Operating Temp (celsius) -40 to +85 C
Mount Style Direct Mount
Color Black
Cable Length (inches) 36
Connector 1 SMA-Male
Connector 2 SMA-Male
IP Rating IP65
OK for Outdoor Use Yes
Ground Plane Required No
Product Condition New