{"id":13566,"date":"2019-03-27T00:00:00","date_gmt":"2019-03-26T23:00:00","guid":{"rendered":"https:\/\/pihernz.com\/product\/a144s-5r\/"},"modified":"2026-07-07T11:34:26","modified_gmt":"2026-07-07T09:34:26","slug":"a144s-5r","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/a144s-5r\/","title":{"rendered":"Diamond A144S5R2 Premium 2-Meter Yagi Beam Antenna \u2013 High-Gain 5-Element Directional VHF Base Station Antenna (144-146MHz, 9.1dBi, 50W, MJ \/ PL-259 Female Connector)"},"content":{"rendered":"

The Diamond A144S5R2 premium Yagi beam directional antenna<\/strong> 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<\/strong>, 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.<\/p>\n

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<\/strong> with physical outer dimensions of 950 x 1090 x 73 mm<\/strong>, this compact 5-element boom layout<\/strong> delivers an impressive 9.1 dB signal gain<\/strong>, effortlessly transforming low-power signals into highly efficient directional paths. Built to handle up to a 50 Watts maximum power rating<\/strong> at a standard 50 Ohms nominal impedance<\/strong>, the antenna configuration comes terminated with a rugged, low-loss MJ Typology (PL female \/ SO-239) connector<\/strong>, ensuring immediate technical system alignment, reliable moisture protection, and total field deployment readiness.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Technical Specification Parameter<\/th>\nSpecifications<\/th>\n<\/tr>\n<\/thead>\n
Product Brand Designation<\/td>\nDiamond Antenna (Original Manufacturing)<\/td>\n<\/tr>\n
Hardware Model Designation<\/td>\nA144S5R2 (High-Gain 2-Meter Yagi Matrix)<\/td>\n<\/tr>\n
Primary Component Classification<\/td>\nDirectional Yagi Beam Base Station Antenna<\/td>\n<\/tr>\n
Antenna Structural Grid Layout<\/td>\n5 Elements (1x Driven Element, 1x Reflector, 3x Directors)<\/td>\n<\/tr>\n
Operational Frequency Windows<\/td>\n144 MHz to 146 MHz VHF 2-Meter Band Range<\/td>\n<\/tr>\n
Forward Performance Signal Gain<\/td>\n9.1 dB High-Efficiency Directional Radiation Profile<\/td>\n<\/tr>\n
Maximum Input RF Power Capacity<\/td>\n50 Watts Continuous Maximum Threshold<\/td>\n<\/tr>\n
System Characteristic Impedance<\/td>\n50 Ohms Nominal Standard Optimization<\/td>\n<\/tr>\n
Primary RF Interface Connection<\/td>\nMJ Typology (PL Female \/ SO-239 Heavy-Gauge Coaxial Chassis Jack)<\/td>\n<\/tr>\n
Total Outer Physical Dimensions<\/td>\n950 mm x 1090 mm x 73 mm structured footprint<\/td>\n<\/tr>\n
Net Component Mass Weight<\/td>\n0.63 kg Ultra-Lightweight Fatigue-Reduction Design<\/td>\n<\/tr>\n
Primary Fleet Utility Purpose<\/td>\nTurnkey fixed-station directional range expansion, point-to-point repeater linking, localized VHF noise reduction, and tactical base station outfitting<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Beam antenna<\/p>\n","protected":false},"featured_media":21545,"template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"_joinchat":[]},"product_brand":[12171],"product_cat":[12392,12331,12324],"product_tag":[],"class_list":{"0":"post-13566","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-diamond-antenna-en","7":"product_cat-base-monobanda-en","8":"product_cat-diamond-antenas-en","9":"product_cat-antenas-en-2","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"\nDiamond Yagi Directional Antenna | A144S5R2 5-Element 2m | B2B<\/title>\n<meta name=\"description\" content=\"Source the professional Diamond Yagi directional antenna. The premium A144S5R2 2-meter beam features 5 elements, 9.1dB gain, 144-146MHz range, and an MJ port. B2B stock.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pihernz.com\/en\/producto\/a144s-5r\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diamond Yagi Directional Antenna | A144S5R2 5-Element 2m | B2B\" \/>\n<meta property=\"og:description\" content=\"Source the professional Diamond Yagi directional antenna. The premium A144S5R2 2-meter beam features 5 elements, 9.1dB gain, 144-146MHz range, and an MJ port. 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