Diamond A144S5R2 Premium 2-Meter Yagi Beam Antenna – High-Gain 5-Element Directional VHF Base Station Antenna (144-146MHz, 9.1dBi, 50W, MJ / PL-259 Female Connector)

  • REF: 1454
  • EAN: 4936312030908

Beam antenna

The Diamond A144S5R2 premium Yagi beam directional antenna is a commercial-grade, high-performance VHF radiator precision-engineered to deliver exceptional forward signal gain, tight front-to-back isolation, and long-range point-to-point communication pathing. Operating across the core 144 MHz to 146 MHz amateur radio spectrum, this targeted 5-element beam compresses the radiation pattern into a focused horizontal or vertical plane to dramatically enhance transceiver reception and transmit penetration over the horizon. It serves as an essential logistics procurement asset for regional emergency base stations, public safety networks, terrestrial tracking hubs, and high-volume B2B radiocommunication accessory wholesale distributors looking to achieve highly directional, low-noise line runs.

The advanced mechanical architecture of the Diamond A144S5R2 is crafted from lightweight, high-tensile aluminum alloy elements designed to minimize structural load on rotor systems and mast crossarms while presenting a low wind-resistance profile. Weighing only 0.63 kg with physical outer dimensions of 950 x 1090 x 73 mm, this compact 5-element boom layout delivers an impressive 9.1 dB signal gain, effortlessly transforming low-power signals into highly efficient directional paths. Built to handle up to a 50 Watts maximum power rating at a standard 50 Ohms nominal impedance, the antenna configuration comes terminated with a rugged, low-loss MJ Typology (PL female / SO-239) connector, ensuring immediate technical system alignment, reliable moisture protection, and total field deployment readiness.

Technical Specification Parameter Specifications
Product Brand Designation Diamond Antenna (Original Manufacturing)
Hardware Model Designation A144S5R2 (High-Gain 2-Meter Yagi Matrix)
Primary Component Classification Directional Yagi Beam Base Station Antenna
Antenna Structural Grid Layout 5 Elements (1x Driven Element, 1x Reflector, 3x Directors)
Operational Frequency Windows 144 MHz to 146 MHz VHF 2-Meter Band Range
Forward Performance Signal Gain 9.1 dB High-Efficiency Directional Radiation Profile
Maximum Input RF Power Capacity 50 Watts Continuous Maximum Threshold
System Characteristic Impedance 50 Ohms Nominal Standard Optimization
Primary RF Interface Connection MJ Typology (PL Female / SO-239 Heavy-Gauge Coaxial Chassis Jack)
Total Outer Physical Dimensions 950 mm x 1090 mm x 73 mm structured footprint
Net Component Mass Weight 0.63 kg Ultra-Lightweight Fatigue-Reduction Design
Primary Fleet Utility Purpose Turnkey fixed-station directional range expansion, point-to-point repeater linking, localized VHF noise reduction, and tactical base station outfitting