Antenna 71 -77 mhz, dipole, omnidirectional, dipole antenna, omni-directional antenna, omnidirectional dipole antenna, antenna, dipolo, omnidirezionale
MOD. ARDCKM-A-7177
Omni-Directional antenna for 71 ÷ 77 Mhz band.This model has a bandwidth of 6 Mhz. Designed for severe climatic conditions, it comes with support and radiant dipole in stainless steel. On request, it is possible to protect
the adapter with a radome . The fixing clamp is made of hot galvanized iron and stainless-steel bolts. The whole antenna is electrically grounded. It comes with a standard Nm connector (500 watts) o 7/16f (1 kW)
ELECTRICAL DATA
Frequency range A MHz 71 ÷ 77
Bandwidth MHz 6
Gain typ. dBi 4.1 variable/distance pole
Return loss dB ≥ -14
VSWR ≤ 1.5:1
Nominal impedance Ω 50
Polarization W V/H - +/-45°
H beamwidth typ. -3 dB 190°
E beamwidth typ. -3 dB 90°
87.5-108Mhz
Broadcast band reaction
dB 87.5 MHz (-3) 100 MHz (-10)
108 MHz (-12)
Max Power W 500 w (Nf) - 1Kw (7/16f)
temperature -35÷+70°
Connector Nf – 7/16” f
Lightning protection All metal parts are D.C. grounded
MECHANICAL DATA
Dimension length mm 1900X1000x40
Weight with clamp kg 5
Wind surface m² Front 0.05 side 0.08
Front wind load Kg 5.3 (180 Km/h)
Side wind load Kg 8.1 (180 Km/h)
Mounting mm Ø 40 ÷ 114
MATERIALS
Stainless steel 316 galvanized radiator and support, Teflon, Brass,
Alluminium, stainless steel nuts and bolts clamp hot-dip galvanizing
ACCESSORIES
RAD5087 RADOME Polyvinyl chloride
ORDERING AND PACKAGING INFORMATIONS
PACKAGING mm. 2000x180x180 / Total weight with clamp 6 Kg
70MHz 71MHz 72MHz 73MHz 74MHz 75MHz 76MHz 77MHz 78MHz 79MHz 80MHz