Diamond X-50 Dual Band 2m & 70cm Base Antenna 4.5/7.2dBi Gain, 200W, 1.7m, Pre-Tuned

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The Diamond X-50 is a mid-range, high-performance dual-band fibreglass base station antenna for 2-metre (144 MHz) and 70cm (430 MHz) amateur radio use — the SO-239 version of the p opular X-50N, sitting between the compact X-30 and the larger X-200N in the Diamond dual-band range. With a gain of 4.5 dBi on 2m and 7.2 dBi on 70cm, 200W power handling, and a 3 x 1/4-wave (2m) / 3 x 5/8-wave (70cm) collinear design, it delivers excellent omnidirectional performance on both bands from a 1.7m antenna. Pre-tuned and fully weatherproofed fibreglass construction with mast mounting brackets included. Wind rated to 60 m/s. Mounts on masts of 30–62mm diameter. Connects via SO-239 (UHF-Female). Key Features Dual band: 2m (144 MHz) & 70cm (430 MHz) Gain: 4.5 dBi (2m) / 7.2 dBi (70cm) 200W power handling 3 x 1/4-wave (2m) / 3 x 5/8-wave (70cm) collinear design SO-239 (UHF-Female) connector Pre-tuned — no adjustment required Fully weatherproofed fibreglass construction Mast mounting brackets included Radial length: 19cm Mast diameter: 30–62mm Wind rating: 60 m/s Length: 1.7m | Weight: 0.9kg Made by Diamond Antenna (Japan) Technical Specifications Type: Dual band fibreglass collinear base antenna Frequency: 144 MHz (2m) & 430 MHz (70cm) Gain: 4.5 dBi (2m) / 7.2 dBi (70cm) Design: 3 x 1/4-wave (2m) / 3 x 5/8-wave (70cm) Max power: 200W Connector: SO-239 (UHF-Female) Radial length: 19cm Length: 1.7m Weight: 0.9kg Mast diameter: 30–62mm Wind rating: 60 m/s Country of origin: Japan Show more