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 Model AH-1117-9 1100-1700 MHz 9 dBic Gain 


Design Features: The AH-1117-9 uses extended stubs to provide the greater gain while maintaining the wider beam-width. This 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-1117-9 Helical Antenna is supplied with a specially designed mounting arrangement for steering the antenna over 360 Degrees in Azimuth direction and 90 degrees in elevation.

Constructions: The AH-1117-9, 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-1117-9 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.

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 Range1100-1700 MHz
Gain9 dBic
Bandwidth1.1 - 1.7 GHz.
Antenna TypeHelix
PolarizationCircular - RHCP or LHCP
Input Impedance50 Ohms
Radiation PatternDirectional
Horizontal Beamwidth -Half Power Points65+/-5 Degrees Typical
Front to Back Ratio16+/-2 dB Typical
VSWR - Equal To or Better Then2:1
RF Power Handling Capacity250 Watts *500W Optional
Input TerminationN-Female *DIN-F with 500W

Mechanical Specifications:
Antenna MaterialsAluminum, Fiber Glass & SS
Mounting Hardware -MaterialsMarine Grade Stainless Steel
Wind Rating200 Km/Hr.
Overall Length450 mm
Shipping Length550 mm
Radiating MaterialHigh Quality Copper
Maximum Mount Pipe Diameter 52 mm (2 Inches)
Radome MaterialHigh Strength Fiber Glass
Radome Length400 mm
Gross Weight2 Kgs.

Environmental Specifications:
Operating Temperature(-) 30 to +70 Degrees Celsius
Storage Temperature(-) 30 to +80 Degrees Celsius
Humidity0 to 95% RH