S.M2-445

2-stack dipole phased array 420 – 470 MHz

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Data Sheet
CE Certification

Other Files

S.M2-445
Electrical
Model S.M2-445
Frequency 420 – 470 MHz
Max. Input Power 250 W
3 dB Beamwidth, H-Plane 160 °
Polarisation Vertical
3 dB Beamwidth, E-Plane 36 °
Impedance 50 Ω
Gain 5 dBd (7.2 dBi)
VSWR < 1.5:1
Front-To-Back Ratio 7 dB
Antistatic Protection All metal parts DC-grounded (Connector shows a DC-short)
Environmental
Ingress Protection IP68
Mechanical
Elements 12.7 x 1.6 mm dia. / 0.5 x 0.06 in.
wall aluminium alloy grade 6063T6
Connection(s) N(f) on RG213/U cable
Boom Material 38.1 x 3.2 mm dia. / 1.5 x 0.13 in.
wall aluminium alloy grade 6082T6
Fasteners Stainless steel grade A2-70
Length Approx. 1250 mm / 49.21 in.
Element Clamps Diecast Al / Zinc alloy
Historic Brand Skymasts
Wind Load 109 N (160 km/h)
Weight Approx. 3 kg / 6.61 lb.
Balun Encapsulant Polyurethane Resin U-600
  • The S.M2 is an array of phased centre fed folded dipoles mounted on an aluminium mast for PMR / Trunked radio applications.
  • Each folded dipole balun assembly and associated harness junction is completely encapsulated in poyurethane resin, totally preventing moisture ingress.
  • Former Skymasts brand product.

RADIATION PATTERNS

E-Plane | 445 MHz

E-Plane | 445 MHz

RADIATION PATTERNS

H-Plane | 445 MHz

H-Plane | 445 MHz

Model Product No. Add To Quote
2-stack dipole phased array 420 – 470 MHz S.M2-445

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