Reduces performance degradation due to snow. A three-element Yagi antenna with a snowproof cover for fixed stations, compatible with the 330-470 MHz band.
The 3BD-4502RD (3BD4502RD) is a wideband 3-element Yagi antenna with a snow cover, manufactured by Nippon Antenna, designed for the 400MHz band. It is a unidirectional antenna for fixed station radios, compatible with vertical or horizontal polarization. It supports a wide frequency range from 330 to 470MHz. Please specify the transmission frequency ft (MHz) and reception frequency fr (MHz) when placing your order. The antenna features a snow-proof structure with FEP pipes covering the radiating elements and the first guiding element, reducing performance degradation due to snow accumulation on the antenna. This 3-element Yagi antenna is suitable for communication environments with forward directionality. The feeding section uses an N-J type connector. Please use a separately sold coaxial cable for connection to the radio. The connector on the radio side is also sold separately, so please choose according to your radio model. This is a made-to-order product. *For more details, please feel free to contact us.
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basic information
〔Basic Specifications〕 - Manufacturer: Nippon Antenna - Model: 3BD-4502RD - Antenna Type: Wideband 3-element Yagi antenna with snow cover - Application: For fixed stations - Directionality: Unidirectional - Polarization: Vertical or horizontal polarization - Operating Frequency: 330 to 470 MHz band (fo±10 MHz) - Input Impedance: Nominal 50Ω - VSWR: 1.5 or less within the band - Gain: Dipole ratio 6dB, absolute gain 8.15dB 〔Directional and Electrical Characteristics〕 - Directionality (Standard Values): E-plane half-power beamwidth ±32°, H-plane half-power beamwidth ±48° - Front-to-back ratio (Standard Value): 13dB - Insulation Resistance: At the feed point, DC 500V in dry conditions, 500MΩ or more - Dielectric Strength: Apply AC 1000V for 1 minute at the feed point in dry conditions without abnormalities 〔Connection and Environmental Specifications〕 - Feed Connector: N-J type - Weight: Approximately 2.0kg - Maximum Wind Load: Approximately 123N (at 60m/sec) - Snow Cover: Yes - Production Method: Made to order - Product Code: 2056125
Price information
Manufacturer's price: 256,100 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
【Examples of Use】 ■Construction and Civil Engineering ■Infrastructure industries such as Electricity, Gas, and Water ■Railway and Transportation-related ■Local Governments and Public Offices ■Factories and Manufacturing ■Mining and Quarrying ■Security Industry ■Forestry and Businesses in Mountainous Areas, 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."
