SIRIO GP365-470C BASE ANTENNA 365-470MHz

Shop Home > AMATEUR AVIATION CB MARINE PMR RADIO > AMATEUR ANTENNAS & ACCESSORIES > AMATEUR RADIO BASE ANTENNAS > SIRIO

SIRIO GP365-470C BASE ANTENNA 365-470MHz

  • SIRIO GP365-470C BASE ANTENNA 365-470MHz

  • £45.00

:  at  £45.00  each


UHF colinear Ground Plane antenna suitable for Amateur and PMR base station service covering the frequency range of 365 - 470 MHz tunable by cutting the whip. The main whip and the radials are made of 17/7 PH stainless steel and its base is of chromed brass to get the best robustness. Easy to fit, it is suitable for a handy installation everywhere.

 

Features:

 

  • Base station antenna, Omnidirectional
  • Medium-gain, Mono-band
  • Tunable by whip cutting
  • Made of anodized aluminium alloy
  • Stainless steel hardware and radials
  • Equipped with anodized aluminium bracket for an easy side mast installation
  • 17/7 PH stainless steel spring whip
  • Supplied with nylon reinforce part inside the spring whip

    Electrical Data

  • Type: 1/4λ + 1/2λ colinear
  • Frequency range: tunable 365...470 MHz
  • Impedance: 50Ω
  • Radiation (H-plane): 360° omnidirectional
  • Radiation (E-plane): beamwidth @ -3 dB = 53°
  • Radiation angle: 0°
  • Polarization: linear vertical
  • Gain: 2.5 dBd - 4.65 dBi
  • Bandwidth @ SWR 1.5: see diagram
  • SWR @ res. freq.: see diagram
  • Max. power (CW) @30°C: 150 Watts
  • Connector: N-female, gold plated central pin

    Mechanical Data

  • Materials: Aluminium, Brass, Stainless Steel 17/7 PH
  • Wind load / resistance: 18 N @ 150 Km/h / 180 Km/h
  • Wind surface: 0.02 m²
  • Height (approx.): 990 mm
  • Weight (approx.): 730 gr
  • Radial length (approx.): 200 mm
  • Mounting mast: Ø 35-54 mm