MA 2-1 MR

Marine VHF Antenna with Low Wind Load

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MA 2-1 MR
Electrical
Model MA 2-1 MR
Frequency 156 – 162 MHz
Antenna Type ½ λ dipole, end-fed
Max. Input Power 200 W
3 dB Beamwidth, H-Plane Omnidirectional
Polarisation Vertical
Impedance 50 Ω
Gain 0 dBd (2.2 dBi)
Bandwidth 6 MHz
Environmental
Operating temperature range -30 °C to +70 °C
Mechanical
Wind Area 0.0076 sq. m / 0.08 sq. ft
Connection(s) UHF(f)
Materials Shroud : Stainless steel
Housing : Glassfibre and chromed brass
Colour Marine white
Historic Brand Amphenol Procom
Height Approx. 1080 mm / 42.52 in.
Wind Load 8.5 N (160 km/h)
Weight Approx. 0.48 kg / 1.06 lb.
Mounting With fast screws, rivets or binders
  • This marine VHF antenna is designed especially for mounting at the masthead of sailboats. The dimensions have been kept as small as possible to reduce weight, wind load and cost.
  • Despite the small dimensions the efficiency is very high, and the antenna is fully capable of handling the full 50 W of output power from typical marine VHF transmitters.
  • The tapered ½ λ stainless steel radiator together with the chromed brass housing and stainless steel corner bracket constitute an antenna tough and ready to cope with the corrosive environment at the masthead.
  • The end-fed dipole principle makes the antenna independent of ground-plane, radials or other auxiliary arrangements.
  • The antenna whip should not be mounted parallel or near to other metal parts, such as windex, supporting wires etc. Free mounting and as high as possible is preferable, otherwise the VSWR and the radiation diagram will be influenced.

TYPICAL GAIN AND SWR CURVE

TYPICAL RADIATION PATTERN (E-PLANE)

TYPICAL RADIATION PATTERN (H-PLANE)

Model Product No. Add To Quote
Marine VHF Antenna with Low Wind Load 110000131

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