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SD6-250

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Model SD6-250 220-290 MHz 6 dBd. Gain Download Datasheet Download Manual Post Enquiry

High Gain Stacked DipoleArray

Design Features: The SD6-250 ultra high performance VHF band stacked dipole array is designed for use with highly populated radio sites requiring long haul omni-directional coverage. The SD6-250 is heavy duty stacked dipole array features, wide bandwidth, high gain, high power handling capacity, low VSWR, low noise performance and null filling coverage with omni-directional characteristics. This stacked dipole array maintains constant 6dBd gain and VSWR over its 20 MHz bandwidth, making it highly suitable as base station antennas for repeater, paging and any other multi-channel communication systems. The radiation pattern can be changed in the field by use of common hand tools. The Vertical stacking distance is factory adjusted for highest possible efficiency. Specially designed center fed phasing harness ensures equal and in phase signal distribution to all the four dipoles. The SD6-250 high gain stacked dipole array operates at D.C. ground for protection against lightning.

Constructions: The stacked dipole array uses 6063T6 ultra corrosion resistant architectural anodized aluminum, consists of 4 folded dipoles stacked vertically, fed in phase. The center fed dipole ends and cable connections to the dipoles are sealed in epoxy at the end of the boom for protection against weather and imparting rigidity and strength to the dipoles structure. All the fasteners are made of marine grade SS. The 3.65 Meters long central mast for mounting the dipoles is shipped in three sections of 1.8 Meters each for easy of shipping. The dipoles are mounted on a tubular boom made of high strength aluminum alloy, which offers a low resistance discharge path against any lightning strike during the stormy weather. The N-Female termination of antenna sealed in flame retardant heat shrinking tube ensures complete waterproofing. The antenna can be supplied with or without central mast.

Electrical Specifications:
Frequency Range 220-290 MHz
Gain 6 dBd.
Bandwidth 20 MHz
Polarization Vertical
Input Impedance 50 Ohms
Radiation Pattern Omni-directional
Beamwidth -3dB. 18 Degrees (Vertical)
VSWR - Equal To or Better Then 1:1.5
RF Power Handling Capacity 500 Watts
Input Termination N-Female
Lightning Protection Direct Ground

Mechanical Specifications:
Antenna Materials 6063T6 Aluminum
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 210 Km/Hr.
Overall Length 3.65 Meters
Support Pipe Aluminum - Outer Diameter. 51 mm
Dipoles Aluminum - O.D. 12.7 mm
Maximum Mount Pipe Diameter 51mm (2 Inches)
Gross Weight 12 Kgs.

Environmental Specifications:
Operating Temperature (-)30 to +70 Degrees Celsius
Storage Temperature (-)40 to +80 Degrees Celsius
Humidity 0 to 95% RH

High Gain Stacked DipoleArray

ModelFrequencyGainDownloadPDFENQ
SD6-250 220-290 MHz 6 dBd. Gain
✕

Post Enquiry

MANDATORY INFORMATION
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NOTE: Enquiry send from other than official/company domain like gmail, yahoo mail, rediff mail, hotmail etc. account holder went to unmonitored spam folder as per company policy


 
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MANDATORY INFORMATION
Optional INFORMATION

NOTE: Enquiry send from other than official/company domain like gmail, yahoo mail, rediff mail, hotmail etc. account holder went to unmonitored spam folder as per company policy


Design Features: The SD6-250 ultra high performance VHF band stacked dipole array is designed for use with highly populated radio sites requiring long haul omni-directional coverage. The SD6-250 is heavy duty stacked dipole array features, wide bandwidth, high gain, high power handling capacity, low VSWR, low noise performance and null filling coverage with omni-directional characteristics. This stacked dipole array maintains constant 6dBd gain and VSWR over its 20 MHz bandwidth, making it highly suitable as base station antennas for repeater, paging and any other multi-channel communication systems. The radiation pattern can be changed in the field by use of common hand tools. The Vertical stacking distance is factory adjusted for highest possible efficiency. Specially designed center fed phasing harness ensures equal and in phase signal distribution to all the four dipoles. The SD6-250 high gain stacked dipole array operates at D.C. ground for protection against lightning.

Constructions: The stacked dipole array uses 6063T6 ultra corrosion resistant architectural anodized aluminum, consists of 4 folded dipoles stacked vertically, fed in phase. The center fed dipole ends and cable connections to the dipoles are sealed in epoxy at the end of the boom for protection against weather and imparting rigidity and strength to the dipoles structure. All the fasteners are made of marine grade SS. The 3.65 Meters long central mast for mounting the dipoles is shipped in three sections of 1.8 Meters each for easy of shipping. The dipoles are mounted on a tubular boom made of high strength aluminum alloy, which offers a low resistance discharge path against any lightning strike during the stormy weather. The N-Female termination of antenna sealed in flame retardant heat shrinking tube ensures complete waterproofing. The antenna can be supplied with or without central mast.

Electrical Specifications:
Frequency Range 220-290 MHz
Gain 6 dBd.
Bandwidth 20 MHz
Polarization Vertical
Input Impedance 50 Ohms
Radiation Pattern Omni-directional
Beamwidth -3dB. 18 Degrees (Vertical)
VSWR - Equal To or Better Then 1:1.5
RF Power Handling Capacity 500 Watts
Input Termination N-Female
Lightning Protection Direct Ground

Mechanical Specifications:
Antenna Materials 6063T6 Aluminum
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 210 Km/Hr.
Overall Length 3.65 Meters
Support Pipe Aluminum - Outer Diameter. 51 mm
Dipoles Aluminum - O.D. 12.7 mm
Maximum Mount Pipe Diameter 51mm (2 Inches)
Gross Weight 12 Kgs.

Environmental Specifications:
Operating Temperature (-)30 to +70 Degrees Celsius
Storage Temperature (-)40 to +80 Degrees Celsius
Humidity 0 to 95% RH

Antennas

  • Military Log Periodic Dipole Antenna
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  • Electronic Warfare Antenna
  • Military Tactical Antenna
  • UAV Anti Drone Antenna
  • High Gain Helical Antenna
  • Quadrifilar Helix Antenna
  • Cavity Backed Dual Arm Spiral Antenna
  • Fiber Glass Collinear Antenna
  • High Power RCIED Jammer Antenna
  • FTS Antenna
  • ILS Antenna
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  • High Gain ADS-B Antenna
  • Military Manpack Jammer Antenna
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  • Wide Band Discone Antenna
  • Naval Shipboard Antenna
  • High Gain Marine Antenna
  • SATCOM Ground Station Antenna
  • HF Broadband Military Antenna
  • HF Broadband Conical Monopole Antenna
  • Grid Parabolic Antenna
  • Tactical Radio Relay Antenna
  • Military Vehicle Mount Antenna
  • Military Coaxial Dipole Antenna
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