25-512MHz VHF UHF Wideband Omnidirectional Antenna
product detail
VERSIONS:
ZD-VUA-25/512M-N: antenna with N female connector
ZD--VUA-25/512M-G-N: antenna with N female connector and active GPS antenna (L1) in the antenna base
ZD-VUA-25/512M-BNC: antenna with BNC female connector
ZD-VUA-25/512M-G-BNC: antenna with BNC female connector and active GPS antenna (L1)
in the antenna base
The ZD-VUA-25/512M-NF antenna is a broadband VHF/UHF antenna designed for heavy-duty mobile applications, offering superior performance and durability, covering a wide frequency range from 25 MHz to 512 MHz. Here are some key features and components of this antenna:
Features
- Broadband Coverage: Available in both VHF and UHF bands, no ground plane is required, ensuring consistent electrical performance (gain and VSWR) across all bands.
- Dipole Design: A dipole design is used on both VHF and UHF frequencies, providing stable radiation characteristics.
- Rugged: The radiating element is made of a composite material, which provides high strength and abrasion resistance to maintain performance in harsh environments.
- Anti-UV Coating: The antenna radiator is coated with a military green two-component anti-UV coating for enhanced weather resistance.
- Flexible Mounting Options: Supports multiple mounting methods, and different colors and connectors are available upon request.
Main Components
- Antenna Base
Material: A combination of aluminum and durable plastic ensures lightweight and strong.
GPS Option: GPS L1 or L1/L2 receiver module can be integrated.
Shock-absorbing Design: Equipped with large stainless steel springs to absorb shock and vibration, protecting the antenna system.
Mounting Holes: Four NATO-compliant mounting holes distributed on a 4.5-inch (114.3 mm) diameter circumference for easy fixing on the vehicle.
- Mast Antenna Base
Construction: Consists of two stainless steel connectors and a hard polyester tube with an outer diameter of 42.7 mm.
Mounting Compatibility: Equipped with a special mounting console adapter, it can adapt to poles with a diameter of up to 60 mm, suitable for a variety of mast mounting scenarios.
Applications
Due to its powerful performance and various mounting options, the ZD-VUA-25/512M-NF antenna is ideal for:
- Public safety communications
- Military and government applications
- Mobile communications for heavy equipment and vehicles
- Field operations requiring wide bandwidth and high reliability
In short, the ZD-VUA-25/512M-NF antenna is an ideal choice for heavy mobile communications applications with its excellent performance and durability.
Model |
ZD-VUA-25/512M-NF |
ELECTRICAL SPECIFICATIONS-VHF/UHF |
|
Frequency range |
25 - 512 MHz |
Impedance |
50 ohms |
VSWR |
< 3.5 |
Gain |
typ. -6 ..... +0.5 dB(1/4 wave whip) |
Polarization |
vert. |
Maximum power |
100 W CW |
Connector |
N female (BNC female optional) |
ELECTRICAL SPECIFICATIONS - GPS |
|
Frequency range |
L1 1575.42 +/- 10 MHz |
Impedance |
50 ohms |
VSWR |
< 2 |
Polarization |
RHC |
LNA Gain / Voltage / Current |
18 dB (+/- 2 dB) / 5 V / 19 mA 16 dB (+/- 2 dB) / 3.5 V / 13 mA 10 dB (+/- 2 dB) / 2 V / 7 mA |
Noise fig. |
<1.5 dB |
Connector |
SMA female |
MECHANICAL SPECIFICATIONS |
|
Design |
End fed whip (VHF/UHF); patch antenna with LNA(GPS) |
Height |
2.75 m |
Weight |
3.8 kg |
Max. high voltage rating |
16 kV |
Temperature range - in use |
-50 ... +55 ℃ |
Temperature range - in stock |
-55 ... +75 ℃ |
Wind rating |
45 m/s (160 km/h) |
Color |
MIL Green |