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AH-312
Model AH-312 240-380MHz 12 dBi Gain Download Datasheet Download Manual Post Enquiry

High Gain Helical Antenna

Design Features: AH-312 circular polarized helical antenna is highly suitable for SATCOM ground station application. The AH-312 uses extended stubs to provide the greater gain while maintaining the wider beam-width. This high-gain low-profile antennas use Circular Polarization Antenna Technology - which delivers better penetration through obstruction and interference. This commercial grade antenna provides superior performance as compare to significantly larger and more expensive products. Our AH series helical antennas are smaller than conventional yagi antenna. The AH-312 Helical Antenna can be supplied with a specially designed mounting arrangement for steering the antenna in both planes, over 360 Degrees in Azimuth and 90 Degrees in Elevation for terrestrial and Satcom links.

Constructions: The AH-312, like all our AH series helical antennas, utilizes circular polarization to minimize the effects of multipath interference. Both Right Hand Circular Polarized (RHCP) and Left Hand Circular Polarized (LHCP) helical antenna models are available. The AH-312 Helical Antenna is light weight, broadband and rugged helical antennas, supplied with fiberglass radome to protect the antenna from environment. Cylindrical enclosure is used for low wind loading and for minimal effect of ice formation on the helical antenna operation as well as providing an aesthetically pleasing appearance.

Array Formation: For higher gain requirement, the Helical antenna can be supplied in DUAL stacked or QUAD stacked arrays with suitable power splitter/combiner cable harness.

Electrical Specifications:
Frequency Range 240-380 MHz
Gain 12 dBi
Bandwidth 240-380MHz.
Antenna Type Helix
Polarization Circular - LHCP or RHCP
Input Impedance 50 Ohms
Radiation Pattern Directional
Horizontal Beamwidth -Half Power Points 45 Degrees Typical
Front to Back Ratio 20 dB. Typical
VSWR - Equal To or Better Then 2.0:1
RF Power Handling Capacity 500 Watts
Input Termination N-Female

Mechanical Specifications:
Antenna Materials Fiber Glass, Copper & SS
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 200 KMPH
Overall Length 1500 mm
Shipping Length 1650 mm
Radiating Material High Quality Copper
Mounting Clamps Position At Rear End of Antenna
Maximum Mount Pipe Diameter 52 mm
Radome Material High Strength Fiber Glass
Radome Outer Diameter 430 mm
Radome Length 1500 mm
Reflector Diameter 500 x 500 mm
Gross Weight 24 Kgs.

Environmental Specifications:
Operating Temperature (-) 30 to +70 Degrees Celsius
Storage Temperature (-) 430 to +80 Degrees Celsius
Humidity 0 to 100% RH

High Gain Helical Antenna

Model Frequency Gain Download PDF ENQ
AH-312 240-380MHz 12 dBi Gain
 
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MANDATORY INFORMATION
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Design Features: AH-312 circular polarized helical antenna is highly suitable for SATCOM ground station application. The AH-312 uses extended stubs to provide the greater gain while maintaining the wider beam-width. This high-gain low-profile antennas use Circular Polarization Antenna Technology - which delivers better penetration through obstruction and interference. This commercial grade antenna provides superior performance as compare to significantly larger and more expensive products. Our AH series helical antennas are smaller than conventional yagi antenna. The AH-312 Helical Antenna can be supplied with a specially designed mounting arrangement for steering the antenna in both planes, over 360 Degrees in Azimuth and 90 Degrees in Elevation for terrestrial and Satcom links.

Constructions: The AH-312, like all our AH series helical antennas, utilizes circular polarization to minimize the effects of multipath interference. Both Right Hand Circular Polarized (RHCP) and Left Hand Circular Polarized (LHCP) helical antenna models are available. The AH-312 Helical Antenna is light weight, broadband and rugged helical antennas, supplied with fiberglass radome to protect the antenna from environment. Cylindrical enclosure is used for low wind loading and for minimal effect of ice formation on the helical antenna operation as well as providing an aesthetically pleasing appearance.

Array Formation: For higher gain requirement, the Helical antenna can be supplied in DUAL stacked or QUAD stacked arrays with suitable power splitter/combiner cable harness.

Electrical Specifications:
Frequency Range 240-380 MHz
Gain 12 dBi
Bandwidth 240-380MHz.
Antenna Type Helix
Polarization Circular - LHCP or RHCP
Input Impedance 50 Ohms
Radiation Pattern Directional
Horizontal Beamwidth -Half Power Points 45 Degrees Typical
Front to Back Ratio 20 dB. Typical
VSWR - Equal To or Better Then 2.0:1
RF Power Handling Capacity 500 Watts
Input Termination N-Female

Mechanical Specifications:
Antenna Materials Fiber Glass, Copper & SS
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 200 KMPH
Overall Length 1500 mm
Shipping Length 1650 mm
Radiating Material High Quality Copper
Mounting Clamps Position At Rear End of Antenna
Maximum Mount Pipe Diameter 52 mm
Radome Material High Strength Fiber Glass
Radome Outer Diameter 430 mm
Radome Length 1500 mm
Reflector Diameter 500 x 500 mm
Gross Weight 24 Kgs.

Environmental Specifications:
Operating Temperature (-) 30 to +70 Degrees Celsius
Storage Temperature (-) 430 to +80 Degrees Celsius
Humidity 0 to 100% RH