Midland Albrecht Minimag 440 SMA Magnetic Base Antenna, 430-450 MHz, SMA Male, 3 m RG-174 Cable 65740

For mobile radio operators needing a compact, magnetic-mount antenna for the 70 cm amateur band or PMR446, the Midland Albrecht Minimag 440 SMA offers a practical solution. With a quarter-wave stainless steel radiator and a 30 mm magnetic base, it attaches securely to a vehicle roof or metal surface. The 3-meter RG-174 cable terminates in an SMA male connector, compatible with many handheld and mobile transceivers.

Key specifications

• Frequency range: 430-450 MHz
• Antenna type: Quarter-wave (1/4 lambda)
• Connector: SMA male
• Cable length: 3 m
• Cable type: RG-174
• Gain: 0 dBd / 2.15 dBi
• Impedance: 50 Ohm
• Max power: 10 W
• Mounting: Magnetic base, 30 mm diameter
• Antenna height: 280 mm
• Radiator material: Stainless steel
• Polarization: Vertical
• VSWR: < 1.5:1

Why choose it

The magnetic base allows quick installation and removal without permanent modification, ideal for temporary or shared vehicles. The stainless steel radiator withstands weather and corrosion, while the low VSWR ensures efficient power transfer.

Ideal use cases

• Mobile amateur radio operation on the 70 cm band
• PMR446 communication from a vehicle
• Temporary or rental vehicle installations

Good to know

The SMA male connector is common on handheld radios; an adapter may be needed for some mobile units. The antenna is vertically polarized, matching typical FM voice communication.