HS.EFX-127

VHF airband HD end fed dipole, 117-138MHz

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Data Sheet
CE Certification

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HS.EFX-127
Electrical
Frequency 117 – 138 MHz
Max. Input Power 500 W
Omni Deviation < ± 0.5 dB
3 dB Beamwidth, H-Plane Omnidirectional
Polarisation Vertical
3 dB Beamwidth, E-Plane 80 °
Impedance 50 Ω
Gain 0 dBd (2.2 dBi)
VSWR < 1.5:1
Lightning Protection Lightning current handling capability: 200 kA According to EN 62305-1 (Test pulse 10/350 μs)
Antistatic Protection All metal parts DC-grounded (Connector shows a DC-short)
Environmental
Operating temperature range -45 to 70 °C
Survival Wind Speed 300 km/h (no ice)
240 km/h (20mm radial ice)
Mechanical
Radiating Element(s) 38 mm dia. brass tube
Connection(s) N(f)
Radiator Feed PTFE dielectric coaxial cable
Mounting Section Aluminium tube 48.4 mm dia.
Radome Material / Colour GRP tube white, 53mm dia.
Length 1800 mm / 70.87 in.
Historic Brand Skymasts
Wind Load 190 N (160km/h)
Weight 7.1 kg / 15.65 lb
Mounting Bracket Heavy Duty Clamp supplied as standard (UA66-22).
  • The HS.EFX-127 Series colinear antenna is designed for VHF airband communications where a durable and high performance omni antenna is required. The centre fed dipole design and feed network gives a stable radiation pattern across a wide bandwidth without large pattern distortions. High quality materials and manufacturing techniques are employed throughout.
  • • Former Skymasts brand product.

RADIATION PATTERNS

E-Plane | 128 MHz

E-Plane | 128 MHz

RADIATION PATTERNS

H-Plane | 128 MHz

H-Plane | 128 MHz

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VHF airband HD end fed dipole, 117-138MHz HS.EFX-127

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