Collinear antenna with high gain and robustness equipped with a reflective element.
The 3DA-450 (3DA450) is a collinear antenna with a reflective element manufactured by Nippon Antenna, designed for the 400MHz band. *Collinear antennas are high-gain antennas used primarily for radio communication, often employed in the VHF to UHF frequency range. *This antenna is intended for fixed station radios. *The frequency is a specified frequency within the 330-470MHz (UHF band). Please specify fo (center frequency) MHz when placing your order. *The model number varies depending on the operating frequency. - For the 364-450MHz band: 3DA-450 F=364-450 specified - For the 450-470MHz band: 3DA-450 F=450-470 specified *It features a dipole antenna stacked on a stainless steel mast, providing high gain and durability. *It is equipped with a lightning rod. *This antenna has a cardioid radiation pattern. *The cardioid radiation pattern refers to a directional pattern shaped like a heart, where the strongest signal is directed forward. *The gain is 7.15dBi. *The antenna length is approximately 3.79m. *For more details, please feel free to contact our company.
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basic information
●This is a made-to-order product. ●Specifications ・Antenna Type: Directional 3-Stage Collinear Antenna ・Model Name: 3DA-450 ・Application: For fixed stations, vertical polarization ・Operating Frequency: Designated frequency within 330-470MHz ・Input Impedance: Nominal 50Ω ・VSWR: 1.2 or less ・Gain (Standard Value): 8.15dBi ・Directivity (Standard Value) 3DA-450 F=364-450 MHz: E-plane half-power beamwidth 20°, H-plane half-power beamwidth 170° 3DA-450 F=450-470 MHz: E-plane half-power beamwidth ±12°, H-plane half-power beamwidth 170° ・Front-to-Back Ratio (Standard Value): 5dB at 180°±30° ・Insulation Resistance: At the feed point, 500MΩ or more at DC500V when dry ・Withstand Voltage: No abnormalities when applying AC1000V for 1 minute at the feed point when dry ・Feed Connector: N-J type ・Weight: Approximately 9.0kg ・Wind Surface Area: Approximately 0.17 square meters ・Maximum Wind Load: Approximately 375N at 60m/sec ・Wind Resistance: Maximum instantaneous wind speed of 60m/sec *For more details, please feel free to contact our company.
Price information
Manufacturer's suggested retail price: 431,600 yen (excluding tax) We aim to sell at a lower price than anywhere else. Please contact us for our selling price.
Price range
P3
Delivery Time
Applications/Examples of results
【Usage Example】 ■Outdoor etc.
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Company information
Exceli Co., Ltd. sells and rents wireless devices, transceivers, and intercoms. With 33 years of experience, we have a track record of transactions with over 70,000 customers. We provide support 365 days a year until late at night, delivering wireless devices, transceivers, and intercoms throughout Japan. Additionally, we offer free trials for almost all models before purchase. Rest assured, we also handle after-sales repairs in-house. We are a company approved under the Ministry of Economy, Trade and Industry's Management Innovation Support Law (No. 15 Sanro Shokei 707). We have been certified as a premier dealer by Motorola for our excellence in "proposal capability," "after-sales maintenance," "experience," and "technical skills."
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