QHA 450-RH

Circularly Polarized Quadrifilar Helix for air-ground-air (AGA) communication

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QHA 450-RH
Electrical
Model QHA 450-RH
Frequency 380 – 400 MHz
Antenna Type Quadrifilar helix antenna
Max. Input Power 100 W
Polarisation Circular
Pattern Type Hemispherical
Impedance 50 Ω
Gain Approx. 4 dBic (2 dBd)
VSWR < 2.0:1
Bandwidth 20 MHz
Antistatic Protection All metal parts DC-grounded (Connector shows a DC-short)
HCM Code(s) HCM900VE00, 500VE00
Environmental
Operating temperature range -20 °C to +60 °C
Survival Wind Speed 200 km/h
Ingress Protection IP56
Mechanical
Wind Area 0.11 sq. m / 1.18 sq. ft
Connection(s) N(f)
Materials Antenna : Copper with Flexiform coaxial cable
Shroud: 180 mm glass fibre tube
Fittings: Aluminium and stainless steel
Colour White, RAL 9018
Historic Brand Amphenol Procom
Height Approx. 650 mm / 25.59 in.
Wind Load 103 N (160 km/h)
Diameter 180 mm / 7.09 in.
Weight Approx. 4.5 kg / 9.92 lb.
Mounting On 25 – 50 mm / 0.98 – 1.97 in. dia. mast tube
  • Circularly polarized quadrifilar helix antenna for fixed installation.
  • Right-hand circularly polarized antenna (RHCP).
  • Ideal for master/main antenna for air-ground-air (AGA) communication.
  • The antenna has a hemispherical coverage that is also ideal for (AGA) communications.
  • A sturdy glass-reinforced plastic shroud ensures effective protection against the weather.
  • Supplied with cast clamp for mounting on 25 – 50 mm mast tubes.
  • Reliable and robust design for optimum performance and long lifetime.
  • The antenna is supplied with brackets.

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Model Product No. Add To Quote
Circularly Polarized Quadrifilar Helix for air-ground-air (AGA) communication 110000288

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Typical VSWR curve

Typical Radiation Pattern (E-Plane)

Dimension

Clamp, Exploded view