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Low Band, Aviation, and VHF




2 dipole 5.5 dBd, offset, N-Male, HD, 406-512 MHz

• Covers 406-512 MHz frequency range
• 5.5 dBd gain with offset pattern
• Heavy duty with 150W power handling
• Can be bottom or side mounted (Universal mount)

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

Electrical Specifications
Frequency Range MHz  406 to 512 
Bandwidth MHz  106 
Connector   N-Male 
Gain (nominal) dBd  5.5 
Input VSWR (max)   1.5:1 
Polarization   vertical 
Impedance Ω  50 
Pattern   Offset 
Horizontal beamwidth (typ) degrees  224 
Vertical beamwidth (typ) degrees  36 
Average Input Power (max) 150 
Lightning protection   DC ground 
Electrical tilt (available)   0,2,4,6,8, or 10 degrees 

Mechanical Specifications
Width in  12.25 
Depth in  3.5 
Length/ Height in  83.13 
Base pipe diameter in  1.9 
Base pipe mounting length in  24 
Radiating element material   aluminum 
Base pipe material   aluminum 
Weight lbs  9.6 
Weight iced (1/2" ice) lbs  12.65 
Mounting Hardware (Optional)   Clamp005, Clamp015, Clamp130, or Clamp125U 
Recommended For Offset Side Mount:   SMK-125-A3 
Mounting configurations   Universal Mount 
Actual shipping weight lbs  20 
Shipping dimensions in  83x5x20 

Environmental Specifications
Temperature range °F  -40 to +140 
Wind Loading Area (Flat Plate Equivalent) ft²  0.88 
Wind Loading Area (1/2" ice) ft²  1.69 
Rated wind velocity (no ice) mph  245 
Rated wind velocity (1/2" radial ice) mph  175 
Lateral Thrust (100 mph No Ice) lbs  37.2 
Torsional moment (100 mph No Ice) ft-lbs  3.4 
Bending moment (100 mph No Ice) ft-lbs  105 
Tip deflection (100 mph No Ice) degrees  0.22 

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

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