DIAMOND SG-M911 Tri-Band Mobile Antenna – 6m / 2m / 70cm PL-259

Product Details

The DIAMOND SG-M911 is a tri-band mobile whip antenna designed for amateur radio and mobile communication applications. It covers the 6m (50 MHz), 2m (144 MHz), and 70cm (430 MHz) bands with a PL-259 connector integrated at the base. This antenna comes pre-tuned for low SWR (≤1.5:1) and delivers balanced performance across all supported bands, making it ideal for vehicles or mobile installations.

Key Specifications

• Supported Bands: 6m / 2m / 70cm (50/144/430 MHz)

• Overall Length: ~107–110 cm

• Weight: ~160 g

• Maximum Power: Up to 60 W

• Impedance: 50 ohms

• VSWR: < 1.5:1

• Connector: PL-259 (UHF Male)

• Gain: ~2.15 dBi (6m), 3.0 dBi (2m), 5.8 dBi (70cm)

• Design: Center-loaded tri-band vertical mobile antenna