The Diamond X-30N is a compact, pre-tuned, dual-band fibreglass base station antenna for 2-metre and 70cm amateur radio use — one of the most popular and trusted dual-band base antennas in the amateur radio market. With a gain of 3 dB on 2m and 5.5 dB on 70cm, 150W power handling, and a 1/2-wave (2m) / 2 x 5/8-wave (70cm) design, it delivers excellent omnidirectional performance on both bands from a single compact 1.3m antenna. The N-type connector ensures low-loss, weatherproof connectivity. Fully weatherproofed fibreglass construction with mast mounting brackets included. Rated to withstand wind velocities of 60 m/s. Mounts on masts of 30–62mm diameter. Key Features Dual band: 2m & 70cm - 144/430MHz Gain: 3 dB (2m) / 5.5 dB (70cm) 150W power handling 1/2-wave (2m) / 2 x 5/8-wave (70cm) design N-type connector for low-loss, weatherproof connection 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: 1.3m | Weight: 0.8kg Made by Diamond Antenna (Japan) Technical Specifications Type: Dual band fibreglass base antenna Frequency: 2m & 70cm Gain: 3 dB (2m) / 5.5 dB (70cm) Max power: 150W Design: 1/2-wave (2m) / 2 x 5/8-wave (70cm) Connector: N-type Length: 1.3m Radial length: 19cm Weight: 0.8kg Mast diameter: 30–62mm Wind rating: 60 m/s Country of origin: Japan
