COMMUNICATION ELECTRONIC
315, Vishwa Deep Building, District Center, Janak Puri, New Delhi - 110 058, INDIA
Phone: +91 11 2553 3230    Fax: +91 11 2553 3230    Mobile: +91 9868 128 127
Email: info@starantenna.com    Website: www.starantenna.com


DUAL BAND OMNI DIRECTIONAL ANTENNA
SDC-45-85-3 450~470 & 806~866 MHz 3 dBi. Gain


General:
Dual band, 450-470 MHz. and 806-866 MHz. Omni directional antenna is tuned to work in both bands with VSWR equal to or better then 1:1.5, suitable for use in two- way digital and analogue communication links.

This dual band, all weather antenna has fiberglass radome and the antenna termination, N-Female, is enclosed in the tail-end of the aluminum pipe serving as antenna mounting section. Mounting hardware supplied with the antenna comes with a choice for mounting the antenna in-doors or out-doors. In-doors, the antenna can be mounted on a ceiling or on a wall.

Design & Construction:
The design of this dual band omni directional antenna makes use of the principal of quarter wave stub matching. The quarter wave stub matching also helps in decoupling the antenna from the antenna mast, ensuring a highly stable VSWR and resulting in highest efficiency of the antenna under any mounting condition.

In place of end-fed, this antenna uses a higher feed point along the length of the antenna for higher efficiency and top loading is made use of to minimize the losses.


ELECTRICAL DATA
Frequency Range (MHz.)450~470 & 806~866
Gain (dBi.)3 dBi.
Bandwidth (MHz.)Full Band
PolarizationVertical
Input Impedance (Ohms.)50
Radiation PatternOmni
Beamwidth 3db (Degrees)72
VSWR1:1.5
RF Power Handling Capacity (Watts)150
Input TerminationN-Female
MECHANICAL DATA
Mounting HWStainless Steel
Weight (Kgs)0.5
Wind Rating (KMPH)250
Overall Length (Meters)0.55
Shipping Length (Meters)0.60
Support Pipe O.D. (mm)50
Support Pipe MaterialAluminum
Radome MaterialFiberglass
Radome O.D. (mm)44
Radome Length (mm.)35
Radiating Elements - MaterialBrass

Please Note:   1. Specifications are subject to change without any notice.
2. Customized in-band and out of band versions are available on request.


VSWR CURVE
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AZIMUTH RADIATION PATTERN
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ELEVATION RADIATION PATTERN
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