MARINE BASE HAM SIRIO GP3E VHF ANTENNA 135-175MHZ TUNEABLE
£5 off special was £44.99 now £39.99 limited amount when there gone there gone

please note remote post codes and northan Ireland must select
collect and econemy tracked to cover the postage sure charge

This IS a great antenna you can tune it for 2 meters  at installation or you can tune it as a marine antenna
a full tuning guide will be in the bag just set the length as per the chart then fine tune if req
This antenna is built to drop on the top of a pole 25mm - 30 mm not provided ref the last picture


Base station antenna, Omnidirectional  
- Low-gain, Mono-band  
- Suitable for land and marine service  
- Tunable by whip lenght adjust  
- Protection from static discharges DC-Ground  
-Made from  Aluminium conic whip and radials  6063 t-832

Electrical Data
- Type: 5/8λ ground plane  
- Frequency range: tunable 135...175 MHz  
- Impedance: 50Ω  
- Radiation (H-plane): 360° omnidirectional  
- Radiation (E-plane): beamwidth @ -3 dB = 68°  
- Radiation angle: 25°  
- Polarization: linear vertical  
- Gain: 1.5 dBd - 3.65 dBi  
- Bandwidth @ SWR ≤2: see diagram  
- SWR @ res. freq.: see diagram  
- Max. Power (CW) @ 30°C: 200 Watts  
- Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short  
- Connector: UHF-female, gold plated central pin
    
Mechanical Data
- Materials: aluminium Chromed Brass copper , Nylon  
- Wind load / resistance: 23 N @ 150 Km/h / 150 Km/h  
- Wind surface: 0.02 m²  
- Height (approx.): 1335 mm  
- Weight (approx.): 585 gr  
- Radial length (approx.): 470 mm  
- Mounting mast: Ø 25-30 mm


for more antennas anf ham cb gear please check my eBay shop