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  SD312/212D-SF2P4SNM(D00)

Stacked 2 port UHF/VHF, 2 dipoles, 5.5 dBd, 406-512/ 138-174 MHz

• Dual port with two separate feed cables
• Covers the 406-512 MHz frequency range, and 138-174 MHz frequency range
• 5.5 dBd gain with offset pattern


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





Electrical Specifications
Frequency Range 1 (F1) MHz  406 to 512 
Frequency Range 2 (F2) MHz  138 to 174 
Connector   N-Male 
Gain (nominal) dBd  5.5 
VSWR (max)   1.5:1 
Polarization   vertical 
Impedance Ω  50 
Pattern   Offset 
Horizontal beamwidth (typ) degrees  210 
Vertical beamwidth (typ) degrees  34 
Average Input Power (max) 150/300 
Lightning protection   DC ground 
Front-to-back ratio (typ) dB 

Mechanical Specifications
Width in  23 
Depth in  3.5 
Length/ Height in  160 
Base pipe diameter in  2.38 
Base pipe mounting length in  42 
Weight lbs  27 
Weight iced (1/2" ice) lbs  68 
Mounting Hardware (Optional)   Clamp005, Clamp015, or Clamp130 
Mounting configurations   side mount 
Actual shipping weight lbs  54 
Shipping dimensions in  164x26x6 

Environmental Specifications
Temperature range °F  -40 to +140 
Wind Loading Area (Flat Plate Equivalent) ft²  2.7 
Wind Loading Area (1/2" ice) ft²  4.5 
Rated wind velocity (no ice) mph  150 
Rated wind velocity (1/2" radial ice) mph  115 
Lateral Thrust (100 mph No Ice) lbs  106 
Torsional moment (100 mph No Ice) ft-lbs  44 
Bending moment (100 mph No Ice) ft-lbs  350 
Tip deflection (100 mph No Ice) degrees  0.7 




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

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