VHF3088VM/PMR VHF Dipole Antenna, Fixed Mount Application The VHF3088VM-PMR is a VHF fixed station antenna designed for use in hostile environments. The antenna is a dipole design so does not require a ground plane to operate. 3.2 m (126 in) Electrical Specification Frequency range 30 - 88 MHz VSWR See diagram Nominal impedance 50 ohm Power rating 100 W Gain See diagram Radiation pattern Polarisation Azimuth: Elevation: Vertical Connector N Type Female, others on request Omnidirectional See overleaf Mechanical specification Design Centre fed dipole. Radiating elements completely enclosed in epoxy/fibreglass laminate. Metal parts are plated brass and stainless steel. Length Weight Wind rating Finish Colour Installation Temperature range 3.2 m (126 in) 11.4 kg (25.1 lbs) 55 m/s = 125 mph Polyurethane lacquer. Customer Specified See base detail below -55 °C, +71 °C; -67 °F, +160 °F Ø67 mm (2.64 in) Ø13.5 x 8 N Type connector 140 mm (5.5 in) 165 mm (6.5 in) VHF3088VM-PMR.pub (11/14-1) 3088VM-MIL-SD-0014.pub www.comrod.com Specifications subject to change without notice. Values are subject to tolerances. The information in this document does not form part of any quotation or contract Page 1 Radiation Diagram, Elevation: 30MHz 60MHz 88MHz VSWR VSWR 6 5 4 3 2 120 115 110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 1 GAIN, relative to a ¼ whip on GP 4 2 0 -2 -4 -6 30 40 50 60 70 80 90 www.comrod.com Specifications subject to change without notice. Values are subject to tolerances. The information in this document does not form part of any quotation or contract Page 2
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