MGA 108-550 MAG60 – 1/4 Wave VHF/UHF Mobile Antenna 108-550 MHz Sirio Magnetic Base

The Sirio MGA 108-550 MAG60 is a high-quality mobile antenna designed to provide maximum flexibility for VHF and UHF frequency users. Covering a wide band from 108 to 550 MHz, it perfectly adapts to the needs of amateur radio (2m and 70cm bands), aeronautical communications (AIR band), maritime, as well as professional TETRA, PMR, or ISM networks. Its robust stainless steel design and powerful magnetic base make it an ideal choice for temporary or permanent installation on any vehicle.

Highlights

• Wide frequency coverage: A single antenna capable of covering from 108 MHz to 550 MHz, ideal for scanning or transmitting on multiple bands.
• Immediate installation: Delivered complete with a ready-to-use MAG60 magnetic base, requiring no bodywork drilling.
• Proven robustness: 17/7 PH stainless steel whip and stainless steel spring to resist vibrations and weather.
• Precise tuning: The whip is adjustable by simple cutting according to the provided diagram to obtain an optimal SWR on your target frequency.
• Versatile usage: Suitable for aviation, marine, amateur radio, as well as LoRa or TETRA telemetry systems.

Technical specifications

• Type: 1/4 λ (quarter wave)
• Polarization: Vertical
• Radiation: Omnidirectional (360°)
• Frequency range: 108 to 550 MHz (tunable by cutting)
• Impedance: 50 Ohms
• Gain: 0 dB ref. to 1/4 wave whip
• Bandwidth: > 5.2 MHz at 108 MHz
• SWR at resonance frequency: < 1.2
• Max power handling: 100 Watts
• Materials: 17/7 PH stainless steel, Nylon, Chromed brass
• Max height: approx 705 mm (at 108 MHz)
• Weight: approx 420 g
• Mounting: MAG60 S magnetic base included
• Cable: 3.6 meters of RG58
• Connector: UHF Male (PL-259)

Compatibility

• Amateur Radio Stations: All VHF (144 MHz) and UHF (430 MHz) transceivers with SO-239 output.
• Scanners and Receivers: Compatible with wideband receivers (Airband, Marine, PMR).
• Professional Radios: TETRA stations (380-400 MHz), PMR446 (with adapter), LMR.
• Connectivity: Plugs directly into any device with an SO-239 (UHF Female) socket.

FAQ

Why choose the Sirio MGA 108-550 MAG60?

• European manufacturing quality: Sirio Antenne is recognized for the durability and precision of its products made in Italy.
• All-in-one solution: No need to buy the cable or base separately, everything is included to be operational in minutes.
• Exceptional adaptability: Whether you change frequency or radio activity, this antenna can be adjusted or replaced at a lower cost (only the whip is changed).
• Excellent performance/price ratio: A reliable and high-performance professional antenna accessible to all budgets.