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SD90VU Dual Band VHF UHF Magnetic Mount Antenna 144/430MHz 2.5/3.5dBi SMA 50Ω Car Radio Antenna
The SD90VU is a high-performance dual band VHF/UHF mobile antenna designed for 144/430MHz and customizable frequency ranges including 410–480MHz and 477MHz. With 2.5/3.5dBi gain, ≤1.5 VSWR, and 50Ω impedance, it delivers stable omni-directional communication for vehicle-mounted radio systems.
Featuring a magnetic base (recommended 90mm diameter) and SMA connector options, this antenna is ideal for amateur radio, commercial fleet communication, and mobile transceivers.
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Product Details
Model No.:SD90VU
Type:Combination Antenna
Place of Origin:China
Frequency Range:144/430MHZ, 477MHz,410-480MHz,Customized
Gain:2.5/3.5dBi
Connector:SMA-male/Female
V.S.W.R:Less than 1.5
Impedance:50ohm
Accept OEM:yes
Length:VU:490mm U:200mm
Characteristic
The SD90VU is engineered for dual band communication, supporting standard 144/430MHz amateur radio frequencies, as well as 477MHz and 410–480MHz commercial UHF bands. Custom frequency tuning is available to meet specific market requirements.
With a strong magnetic base installation, it allows quick and secure mounting on vehicle roofs without permanent modification. The extended VU version (490mm) enhances signal performance, while the shorter UHF version (200mm) offers compact installation flexibility.
Core Performance
Frequency Range:
144/430MHz
477MHz
410–480MHz
Customized options available
Gain:
VHF: 2.5dBi
UHF: 3.5dBi
VSWR: ≤1.5
Impedance: 50Ω
Radiation Pattern: Omni-directional
Polarization: Vertical
The optimized impedance matching ensures efficient signal transmission with minimal reflection, improving communication clarity and stability.
Transport
Length:
VU Version: 490mm
UHF Version: 200mm
Connector: SMA-Male / SMA-Female (optional)
Recommended Magnetic Base: Diameter 90mm (customized options available)
The antenna structure provides durability and flexibility for long-term outdoor and vehicle applications.
NOTICE
During the installation process, avoid any collisions.
It is strictly prohibited to disassemble the antenna components; otherwise, it may lead to poor antenna performance.
The installation position of the antenna should be free of any obstructions.
When used outdoors, it is necessary to equip with lightning protection facilities.
may contain electronic components. Do not discard them randomly.
