AD-27/V150-3512-DF-A — Mobile VHF/UHF Dual-Band Antenna

Overview

The AD-27/V150-3512-DF-A is a dual-band, dual-feed mobile VHF/UHF antenna designed for tactical communications. Featuring a built-in diplexer within its rugged aluminum base, it allows simultaneous connection of separate VHF and UHF radios to optimize space and minimize vehicle signature.

Technical Summary

• Frequency Range: 30 to 88 MHz (VHF) and 225 to 512 MHz (UHF)
• Architecture: Dual-feed with integrated diplexer and matching circuit
• Protection: Integrated surge protection with 600V DC spark-over voltage
• Materials: Composite radiating element, aluminum base, and stainless steel spring
• Finish: Military green (RAL-6014) two-component UV-resistant paint

Operational Use Cases

Designed for tactical communication applications, this antenna supports the simultaneous operation of VHF and UHF radio units on a single mount. This configuration reduces the physical footprint and overall visual signature of the host vehicle while maintaining distinct communication links.

Deployment Environments

Built for harsh tactical environments, the antenna utilizes a heavy-duty stainless steel spring to absorb shocks, vibrations, and accidental impacts. The UV-resistant military green finish provides excellent environmental durability during sustained outdoor deployment.

Performance Metrics

• VHF Coverage: 30–88 MHz
• UHF Coverage: 225–512 MHz
• Surge Protection: 600V DC spark-over limit

Setup & Portability

The mounting base complies with NATO standards, ensuring suitability for standard military vehicle platforms. It installs securely using four mounting holes arranged on a 4.5-inch (114.3 mm) bolt circle.

Compatibility

The integrated diplexer enables compatibility with two independent radio systems (one VHF and one UHF) operating concurrently through a single antenna structure.

FAQs

• How do I select an omnidirectional tactical antenna? Verify that the antenna's operating frequency range and maximum continuous transmit power ratings meet your radio's output. You must also ensure the impedance match keeps reflected power within the transmitter's maximum VSWR tolerance.
• What radiation pattern does an omnidirectional antenna produce? An omnidirectional antenna typically provides a continuous 360-degree coverage pattern in the azimuth plane. Gain is typically highest near the horizon and features nulls directing energy away from the zenith and nadir.
• What mounting factors affect vehicle antenna installation? Vehicle installations require evaluating shock and vibration exposure to select an appropriate shock-absorbing base. You must also verify the manufacturer's specified bolt pattern and confirm whether the antenna requires a specific ground plane for optimal impedance matching.
• Problems we solve: how do we narrow antenna choices? Balancing operating bands, coverage needs and mounting space can make antenna selection difficult. Share those constraints with Cyntony to compare candidate antennas and identify what needs manufacturer confirmation (Our process).
• Outcomes we deliver: what comes from working through the requirements? The practical outcome is a requirements-led set of product options to evaluate with Cyntony. Confirm performance, compatibility and any service scope for your configuration before selection (Our process).

Video Notes

Consider producing a short technical video demonstrating the mechanical flexibility of the stainless steel shock spring and a diagram illustrating the dual-radio connection facilitated by the internal diplexer.