VHF/UHF Multiband Single Discone Antennas – MMA 317

Item Code: MMA-317
Model: MMA-317


Electrical Specifications

Frequency Range 30 to 170 MHz
VSWR (50 Ohms) 2.5:1 nominal
3.0:1 maximum
Power 200 Watts CW
Polarization Vertical
Impedence 50 Ohms
Gain, dBi 0 dBi typical
Pattern Omni-directional
H Plane Beam-width 360° Typical
E Plane Beam-width 90° Typical w/Peak +/- 5
degrees from the horizon


Mechanical Specifications

Weight 50 LBS
Connector Type “N” Jack
Storage Temperature -60° to +160°F
Height 135 inches
Wind Load 125 MPH, No Ice
Wind Loading 100 MPH without ice
75 MPH with ½” of radial ice
Diameter 105 inches
Mast Length 120 inches
Mast Diameter 2 inches
Weatherproofing Sealed against moisture penetration
Operation Temperature -60°F to + 160° F