Model SMD-75 66 - 88 MHz. 3 dBd. Gain 
 

SIDE MOUNT DIPOLE

Design Features: The SMD-75 side mount dipole antenna is a robust antenna with low VSWR and high gain covering the entire band from 66-88 MHz. The side mount dipole antenna can be mounted on the side of a tower in vertical polarization with the help of supplied stainless steel mounting hardware. The SMD-75 side mount dipole antenna operates at D.C. ground for protection against lightning and immunity to noise.

Constructions: The SMD-75 side mount dipole consists of single folded dipole. The antenna maintains constant gain and VSWR over its bandwidth of 5 MHz., making it highly suitable for single or multi-frequency systems. The N-Female antenna termination is fixed at a flying lead of RG-213 RF coaxial cable to ensures complete waterproofing and many years of maintenance free operation.

Electrical Specifications:
Frequency Range66 - 88 MHz.
Gain3 dBd.
Bandwidth5 MHz.
PolarizationVertical
Input Impedance50 Ohms
Radiation PatternDirectional
Beamwidth -3dB.65 Degrees (Vertical)
Horizontal Beamwidth -Half Power Points180 Degrees
Front to Back Ratio12 dB.
VSWR1:1.5
RF Power Handling Capacity250 Watts
Input TerminationN-Female
Lightning ProtectionDirect Ground

Mechanical Specifications:
MaterialsAll Aluminum
Mounting Hardware -MaterialsStainless Steel
Wind Rating200 Km/Hr.
Support Pipe Aluminum - Outer Diameter. Aluminum - 38 mm
Dipoles Aluminum - O.D.Aluminum - 12.7 mm
Shipping Length2.2 M x 0.6 M
Maximum Mount Pipe Diameter 51 mm (2 Inches)
Gross Weight4 Kgs.

Environmental Specifications:
Operating Temperature(-)30 to +70 Degrees Celsius
Storage Temperature(-)40 to +80 Degrees Celsius
Humidity0 to 95% RH