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Collinear omni, 6 dBd, 6 MHz B.W., N-Female connector, 138-225 MHz

• Rugged fiberglass radome
• High gain, omni-directional, 6 MHz band width with VSWR of 1.5:1
• Designed to withstand severe environmental conditions
• Recommend the SMK-225-A3 or SMK-225-A7 kit when side mounting

  Model List
  View PDF: 8 1/2 x 11   View PDF: A4

Electrical Specifications
Frequency Range MHz  138 to 225 
Bandwidth MHz 
Connector   N-Female 
Gain (nominal) dBd 
Input VSWR (max)   1.5:1 
Polarization   vertical 
Impedance Ω  50 
Pattern   Omni-directional 
Vertical beamwidth (typ) degrees  17 
Average Input Power (max) 300 
Lightning protection   DC ground 
Electrical tilt (available)   0, 2, 4, or 6 degrees 

Mechanical Specifications
Width in  2.88 
Length in  278 
Base pipe diameter in  2.88 
Base pipe mounting length in  15 
Radome material   fiberglass (UV protected) 
Weight lbs  32 
Weight iced (1/2" ice) lbs  73 
Mounting Hardware (Included)   Clamp005 
Recommended For Offset Side Mount:   SMK-225-A3 or SMK-225-A7 
Mounting configurations   upright 
Actual shipping weight lbs  75 
Shipping dimensions in  300x4x4 

Environmental Specifications
Temperature range °F  -40 to +140 
Wind Loading Area (Flat Plate Equivalent) ft²  2.83 
Wind Loading Area (1/2" ice) ft²  5.36 
Rated wind velocity (no ice) mph  150 
Rated wind velocity (1/2" radial ice) mph  115 
Lateral Thrust (100 mph No Ice) lbs  110 
Bending moment (100 mph No Ice) ft-lbs  950 
Tip deflection (100 mph No Ice) degrees 

  Model List
  View PDF: 8 1/2 x 11   View PDF: A4

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