Professional High-Gain Directional Radiating Infrastructure for Dual-Band Transceivers
The Diamond A1430S8 is a commercial-grade, dual-band directional beam antenna engineered to deliver exceptional long-range point-to-point communication, high-efficiency satellite tracking, and localized signal concentration for amateur radio operators and professional communication networks. Operating seamlessly across the 2-meter (144–146 MHz) VHF and 70-centimeter (430–440 MHz) UHF amateur bands, this premium Yagi assembly utilizes an advanced space-saving single-boom architecture. It serves as an essential base station utility asset for emergency communication hubs, remote signal repeaters, radio club installations, and high-volume B2B radiocommunication accessory distribution channels across European markets.
The advanced technical framework introduces a high-performance multi-element configuration on a single physical boom. It is structurally laid out as a 3-element beam antenna for the 144 MHz spectrum and a 5-element beam antenna for the 430 MHz block, generating a highly concentrated radiation profile. This localized focus delivers a substantial nominal forward gain rating of 9.0 dBi at 144 MHz and 10.0 dBi at 430 MHz, drastically expanding transmission range while rejecting off-axis environmental RF interference. Capable of handling a robust 100 Watts Maximum Rated Power (FM), this heavy-duty array stands fully prepared for continuous multi-shift operation without risking electrical breakdown or element detuning.
Built to endure rigorous outdoor environmental stress and high wind loads, the mechanical assembly features a lightweight yet high-tensile structural layout weighing just 1.2 kg with an overall physical footprint of approximately 1400 x 1030 x 50 mm. Its precise engineering yields a turning radius of 1.35 meters, enabling deployment in space-restricted rooftop sites or on standard light-duty rotators. To ensure an absolute vibration-proof electrical bond and minimal insertion loss across the RF path, the antenna is factory-outfitted with an industry-standard MJ (UHF Female / SO-239) connector port calibrated to a precise 50 Ohm nominal impedance. The system includes a heavy-duty mounting bracket array that accepts standard mast diameters ranging from φ38 to φ61 mm, guaranteeing absolute field operational readiness.
Technical Specifications Matrix
| Technical Specification Parameter | Value & Fleet Alignment |
|---|---|
| Product Brand Manufacturer | Diamond Antenna |
| Hardware Model Designation | A1430S8 |
| Primary Component Classification | Dual-Band Directional Yagi Beam Antenna Array |
| Tuned Operational Frequencies | VHF: 144 – 146 MHz (2m) | UHF: 430 – 440 MHz (70cm) |
| Physical Element Configuration | 3 Elements (144 MHz) / 5 Elements (430 MHz) on a single boom |
| Forward Antenna Gain Profile | VHF: 9.0 dBi | UHF: 10.0 dBi |
| Peak Transmit Power Capacity | 100 Watts Maximum Continuous Power Rating (FM) |
| System Characteristic Impedance | 50 Ohms Nominal |
| Primary RF Interface Connector | MJ Connection Port (SO-239 / UHF Female Standard) |
| Accepted Support Mast Range | φ38 mm to φ61 mm Outer Diameter |
| Approximate Physical Size Dimensions | 1400 mm (Length) x 1030 mm (Width) x 50 mm (Height) |
| Assembly Turning Radius Limit | 1.35 meters |
| Net Hardware Weight | 1.2 kg |
