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AH-405
Model AH-405 380-430MHz 11 dBic Gain Download Datasheet Download Manual Post Enquiry

High Gain TETRA Antenna

Design Features: The AH-405 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-405 Helical Antenna is 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 satellite links.

Constructions: The AH-405, 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-405 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 380-430 MHz
Gain 11 dBic
Bandwidth 380-430MHz
Antenna Type Helical
Polarization Circular - RCCP or LHCP
Input Impedance 50 Ohms
Radiation Pattern Directional
Horizontal Beamwidth -Half Power Points 65+/-5 Degrees
Front to Back Ratio 16 dB.
VSWR - Equal To or Better Then 1.8:1
RF Power Handling Capacity 500 Watts
Input Termination N-Female

Mechanical Specifications:
Antenna Materials Copper, Fiberglass & Aluminum
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 200 Km/Hr.
Overall Length 1300 mm
Shipping Length 1400 mm
Radiating Material Copper
Maximum Mount Pipe Diameter 52mm (2 Inches)
Radome Outer Diameter 260 mm
Gross Weight 6 Kgs.

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

High Gain TETRA Antenna

Model Frequency Gain Download PDF ENQ
AH-405 380-430MHz 11 dBic Gain
 
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Design Features: The AH-405 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-405 Helical Antenna is 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 satellite links.

Constructions: The AH-405, 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-405 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 380-430 MHz
Gain 11 dBic
Bandwidth 380-430MHz
Antenna Type Helical
Polarization Circular - RCCP or LHCP
Input Impedance 50 Ohms
Radiation Pattern Directional
Horizontal Beamwidth -Half Power Points 65+/-5 Degrees
Front to Back Ratio 16 dB.
VSWR - Equal To or Better Then 1.8:1
RF Power Handling Capacity 500 Watts
Input Termination N-Female

Mechanical Specifications:
Antenna Materials Copper, Fiberglass & Aluminum
Mounting Hardware -Materials Marine Grade Stainless Steel
Wind Rating 200 Km/Hr.
Overall Length 1300 mm
Shipping Length 1400 mm
Radiating Material Copper
Maximum Mount Pipe Diameter 52mm (2 Inches)
Radome Outer Diameter 260 mm
Gross Weight 6 Kgs.

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