{"id":16000,"date":"2019-03-19T00:00:00","date_gmt":"2019-03-18T23:00:00","guid":{"rendered":"https:\/\/pihernz.com\/product\/az503\/"},"modified":"2026-07-08T11:51:12","modified_gmt":"2026-07-08T09:51:12","slug":"az503","status":"publish","type":"product","link":"https:\/\/pihernz.com\/en\/producto\/az503\/","title":{"rendered":"Diamond AZ503 Dual-Band Mobile Antenna \u2013 Low-Profile VHF\/UHF Vehicular Whip (144\/430MHz), 34cm Length, PL-259 MP Connector Base"},"content":{"rendered":"

The Diamond AZ503 dual-band mobile antenna<\/strong> is a commercial-grade, low-profile vehicular RF radiator precision-engineered to deliver reliable multi-band communications across very high frequency (VHF) and ultra-high frequency (UHF) spectrums. Optimized for high-mobility applications where clearance heights are restricted, this premium mobile whip operates efficiently across the 144 MHz and 430 MHz<\/strong> bands. It serves as an essential logistics procurement component for municipal service fleets, tactical escort vehicles, commercial delivery networks, and high-volume B2B radiocommunication hardware wholesale distribution channels looking to supply high-reliability, short-profile mobile antennas.<\/p>\n

The internal electrical engineering of the AZ503 features an advanced hybrid radiator architecture, operating as a 1\/4 wave on the 144 MHz segment and a 3\/8 wave on the 430 MHz band<\/strong>, providing a targeted power gain of 1.69 dBi<\/strong> on UHF for improved line-of-sight signal propagation. Rated to handle a maximum power threshold of 50 Watts FM (Total)<\/strong>, the antenna maintains a highly optimized voltage standing wave ratio (VSWR of less than 1.5:1<\/strong>) across active target allocations. This efficiency channels RF energy cleanly through a standard 50-ohm characteristic impedance path, protecting downstream transceiver finals from reflective power damage.<\/p>\n

Housed on a high-retention structural base, this ultra-lightweight hardware accessory stands at a total physical length of just 34 cm<\/strong> and weighs a minimal 65 grams<\/strong>, virtually eliminating wind drag and mechanical stress on vehicular body panels or magnetic bases. The antenna base is cleanly terminated with a standard MP connector interface (PL-259 type)<\/strong>, ensuring a solid, tool-free mechanical link to heavy-duty mobile cable harnesses and trunk mounts. Delivered completely turnkey, this precision dual-band vertical array ensures immediate system alignment, fast vehicle outfitting, and absolute field deployment readiness.<\/p>\n\n\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 Factory Mobile Line)<\/td>\n<\/tr>\n
Hardware Model Designation<\/td>\nAZ503 (AZ-Series Compact Mobile Line)<\/td>\n<\/tr>\n
Primary Component Classification<\/td>\nDual-Band Mobile VHF\/UHF Transceiver Antenna<\/td>\n<\/tr>\n
Operational Frequencies Scope<\/td>\n144 MHz VHF \/ 430 MHz UHF Dual-Band Matrix<\/td>\n<\/tr>\n
Antenna Radiation Wave Type<\/td>\n1\/4 Wave (144 MHz) | 3\/8 Wave (430 MHz) Performance<\/td>\n<\/tr>\n
System Power Gain Profile<\/td>\n1.69 dBi Nominal Gain Specification (430 MHz band)<\/td>\n<\/tr>\n
Maximum Input RF Power Capacity<\/td>\n50 Watts FM Maximum Continuous Power Rating (Total)<\/td>\n<\/tr>\n
Voltage Standing Wave Ratio<\/td>\nVSWR Less than 1.5:1 Target Resonance<\/td>\n<\/tr>\n
System Characteristic Impedance<\/td>\n50 Ohms Nominal Standard Optimization<\/td>\n<\/tr>\n
Primary RF Interface Connection<\/td>\nMP Type Standard Base Interface (PL-259 Male Fitting)<\/td>\n<\/tr>\n
Total Physical Antenna Length<\/td>\n34 cm Low-Profile Vertical Clearance Profile<\/td>\n<\/tr>\n
Net Operational Component Mass<\/td>\n65 grams Ultra-Lightweight Structural Build<\/td>\n<\/tr>\n
Verified Hardware Compatibility Scope<\/td>\nDual-band mobile transceivers, heavy-duty SO-239\/UHF-Female magnetic bases, trunk edge lip mounts, and matching 50-ohm RF cabling<\/td>\n<\/tr>\n
Primary Fleet Utility Purpose<\/td>\nTurnkey vehicular radio outfitting, low-clearance urban route deployments, fleet maintenance antenna replacement, and active RF final stage protection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Dual band mobile antenna<\/p>\n","protected":false},"featured_media":16002,"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":[12331,12397,12324],"product_tag":[],"class_list":{"0":"post-16000","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-diamond-antenna-en","7":"product_cat-diamond-antenas-en","8":"product_cat-movil-doble-banda-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 AZ503 Mobile Antenna | Dual-Band VHF\/UHF 34cm | B2B<\/title>\n<meta name=\"description\" content=\"Source the compact Diamond AZ503 dual-band mobile antenna. 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