VHF/UHF base antennas — Diamond Antenna
Diamond X-50N dual-band 144/430 MHz
Fiberglass base vertical antenna, 1.7 m, N connector
The Diamond X-50N is a 144/430 MHz dual-band base vertical antenna, 1.7 m tall, with 4.5 dB gain on VHF and 7.2 dB on UHF and 200 W power rating.
Product description
The elements are protected by a fiberglass (FRP) tube, and the short radials at the base (about 19 cm) make it suitable for roofs and balconies too.
The X-50N version has a female N connector; the X-50 has a UHF (SO-239) connector.
Key features
Dual-band
144 and 430 MHz with a single feed line.
Compact
1.7 m tall, radials of about 19 cm.
Sturdy
Withstands winds up to 60 m/s.
Specifications
| Bands | 144 / 430 MHz |
| Gain | 4.5 dB (144 MHz) · 7.2 dB (430 MHz) |
| Type | 6/8 λ C-Load (144 MHz) · 3 × 5/8 λ C-Load (430 MHz) |
| Maximum power | 200 W FM (total) |
| Impedance | 50 ohm |
| SWR | less than 1.5:1 |
| Height | 1.7 m |
| Radials | about 19 cm |
| Weight | 0.9 kg |
| Rated wind speed | 60 m/s |
| Mast | 30 to 62 mm |
| Connector | N female (NJ) |
HamRadioShop | Base antennas