The Sirio MGA-55 premium VHF mobile antenna is a commercial-grade, field-tunable vehicular radiator precision-engineered to deliver highly stable omnidirectional signal propagation and low-loss transmission across a vast frequency footprint. Operating as a high-efficiency 1/4 wavelength (λ) structural element, this versatile antenna features a robust stainless steel whip designed to be precisely adjusted from 55 MHz up to 550 MHz via a technical cutting diagram. This custom calibration methodology completely eliminates standard impedance mismatching across specialized public safety, marine, aviation, or amateur bands. It serves as an essential logistics procurement asset for mobile commercial transport fleets, municipal utility vehicles, multi-agency emergency communication response arrays, and high-volume B2B radiocommunication accessory wholesale distributors looking to streamline inventory with a true multi-application utility antenna.
The advanced mechanical and electrical architecture of the Sirio MGA-55 focuses heavily on structural resilience during high-velocity mobile operations. Built to handle a 100 Watts continuous maximum power rating under a standard 50 Ohms nominal impedance, its vertical polarization design forces clean, low-angle radiation toward the horizon for optimized range penetration. Standing at a maximum uncut length of 1.40 meters and weighing a well-balanced 420 grams, the antenna configuration minimizes physical load stress on vehicle sheet metal. Delivered as a turnkey transit outfitting kit, the package includes a premium mobile base mount alongside 4 meters of high-shielding RG-58 coaxial cable, ensuring immediate technical system alignment, flexible vehicle cable routing, and total multi-shift field deployment readiness.
| Technical Specification Parameter | Specifications |
|---|---|
| Product Brand Designation | Sirio Antenne (Original Premium European Manufacturing) |
| Hardware Model Designation | MGA-55 (MGA Tunable Fleet Cutting Series) |
| Primary Component Classification | Field-Tunable Monoband Mobile Vehicular Whip Antenna |
| Antenna Electrical Typology | 1/4 Wavelength (λ) Base-Loaded Radiator Matrix |
| Operational Frequency Windows | 55 MHz to 550 MHz Continuous VHF/UHF Tuning Scope (Adjustable by Cut) |
| Radiation Propagation Field | 360° Omnidirectional Uniform Coverage Matrix |
| System Signal Polarization | Linear Vertical Performance Alignment |
| Maximum Input RF Power Capacity | 100 Watts Continuous Power Threshold Ceiling |
| System Characteristic Impedance | 50 Ohms Nominal Standard Optimization |
| Included Feedline Infrastructure | 4 meters (13.1 feet) of Heavy-Duty Low-Loss RG-58 MIL-Spec Coaxial Cable |
| Total Physical Elements Length | 1.40 meters (Maximum Uncut Height Footprint) |
| Net Component Mass Weight | 420 grams balanced structural vehicle load |
| Primary Fleet Utility Purpose | Turnkey mobile vehicle radio installation, flexible field spectrum tuning, municipal multi-band transceiver outfitting, and durable replacement whip deployment |
