VHF30512DB-DD-M
Setting a new standard for elevated wideband communication, the VHF30512DB-DD-M combines two independent dipole antennas to offer a complete VHF/UHF solution.
Providing consistent communication performance across both the 30-88 MHz and 225-512 bands, the antenna is suitable for use on all elevated masts. As the antenna does not rely on any monopole element it does not require a ground plane.
This single connector antenna can be supplied with an optional diplexer to split the VHF and UHF frequencies.
A mast mount base is supplied with a Ø40 mm socket ready to interface to a Ø39.5 mm spigot.
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| Frequency Range | 30-88 MHz | 225-512 MHz |
|---|---|---|
| Nominal VSWR | < 7* | < 3 |
| Nominal Impedance | 50 Ω | 50 Ω |
| Power Rating | 80 W | 50 W |
| Gain (typical) | – 6 to – 3 dBi | – 2 to + 2 dBi Average 0 dBi |
| Isolation | – 40 dB | – 40 dB |
| Radiation Pattern | Azimuth: Omnidirectional | Azimuth: Omnidirectional |
| Polarisation | Vertical | Vertical |
| Connector | TNC female | TNC female |
* See datasheet for VSWR explanation
| Design | Dual-dipole single connector design. Radiating elements completely enclosed in epoxy/fibreglass laminate. Metal parts plated brass and stainless steel. |
|---|---|
| Length | Overall: 3.0 m Base: 0.4 m Lower Whip: 1.7 m Upper Whip: 0.95 m |
| Weight | 5 kg |
| Colour | Customer specified |
| Temperature Range | – 40°C to + 71°C |