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  SD310/210D-HF2P2SNM(B)

UHF/ VHF, 2 ports, 2.0 gain, 406-512 & 138-174 MHz

• UHF section covers 406-512 MHz and VHF covers 138-174
• 2.0 dBd gain with bi-directional pattern
• 75W for UHF/ 200 W for VHF power handling


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


Antenna may not appear exactly as picture.


Electrical Specifications
Frequency Range 1 (F1) MHz  406 to 512 
Frequency Range 2 (F2) MHz  138 to 174 
Connector   N-Male 
Gain (nominal) dBd 
Input VSWR (max)   1.5:1 
Polarization   vertical 
Impedance Ω  50 
Pattern   Bi- directional 
Vertical beamwidth (typ) degrees  68 
Average Input Power (max) 75 / 200 
Isolation port to port (typ) dB  30 
Lightning protection   DC ground 

Mechanical Specifications
Width in  41.5 
Depth in  4.5 
Length/ Height in  120 
Base pipe diameter in  2.88 
Base pipe mounting length in  30 
Radiating element material   aluminum 
Weight lbs  27 
Weight iced (1/2" ice) lbs  60 
Mounting Hardware (Optional)   Clamp005 or Clamp015 
Mounting configurations   top mount 
Actual shipping weight lbs  56 
Shipping dimensions in  132x48x6 

Environmental Specifications
Temperature range °F  -40 to +140 
Wind Loading Area (Flat Plate Equivalent) ft²  2.4 
Wind Loading Area (1/2" ice) ft²  3.6 
Rated wind velocity (no ice) mph  220 
Rated wind velocity (1/2" radial ice) mph  145 
Lateral Thrust (100 mph No Ice) lbs  88 
Torsional moment (100 mph No Ice) ft-lbs  40 
Bending moment (100 mph No Ice) ft-lbs  318 
Tip deflection (100 mph No Ice) degrees  0.8 




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

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