HX 2/…-GP 300

Helical Antenna for Portable Equipment in the 2 m Band

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HX 2/…-GP 300
Electrical
Model HX 2/…-GP 300
Frequency 2 m band covered by three models
Antenna Type Shortened ¼ λ helical antenna
Max. Input Power 50 W
Polarisation Vertical
Impedance 50 Ω
Gain Approx. -3 dB (compared to a ¼ λ portable antenna)
VSWR < 1.5:1 when mounted directly on portable equipment
Bandwidth ≥ 16 MHz @ VSWR ≤ 3.0:1
Mechanical
Connection(s) 1/4″-32 UNEF
Materials Steel helix moulded in flexible thermoplastic rubber
Weather- and shockproof plastics
Cu-nite brass
Colour Black
Historic Brand Amphenol Procom
Height Approx. 150 mm / 5.91 in.
Weight Approx. 0.03 kg / 0.07 lb.
  • Flexible, conical steel helix moulded in flexible thermoplastic rubber.
  • Reduced-size ¼ λ helical antenna whip.
  • Optimum performance compared to physical dimensions.
  • Delivered factory tuned and tested to ensure minimum VSWR.
  • Especially designed for Motorola GP 300, GP 344, GP 360 and
    GP 388 (150 MHz band) etc.

TYPICAL SWR CURVES

Model Product No. Frequency Add To Quote

HX 2/l-GP 300

140000136 144 – 160 MHz

HX 2/m-GP 300

140000128 152 – 168 MHz

HX 2/h-GP 300

140000127 160 – 175 MHz

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Typical VSWR curve

HX 2!… GP 300 VSWR