Sirio SD-1300N 25-1300MHz Discone antenna

Omnidirectional discone antenna for base station and scanner use.

Extremely wide‑band antenna with unity gain, suitable for both reception (25–1300 MHz) and transmission on several amateur radio bands.
(TX @ SWR ≤ 2): 49.5–50.5, 120–180, 215–300, 415–465, 610–650, 710–1000, 1130–1300 MHz

Robust construction with stainless steel radials and weather‑resistant materials for long outdoor service life.

Supplied with an anodized aluminum bracket for easy mast mounting.

Frequency range:
RX band: 25–1300 MHz
TX band (at SWR ≤ 2): 49.5–50.5 / 120–180 / 215–300 / 415–465 / 610–650 / 710–1000 / 1130–1300 MHz

Impedance: 50 Ω
Radiation (H‑plane): 360° omnidirectional
Radiation (E‑plane): Frequency‑dependent, see radiation pattern
Radiation angle: Frequency‑dependent, see radiation pattern
Polarization: Linear vertical
Gain: 0 dBd – 2.15 dBi at the lowest frequency
Max. power (CW) at 30 °C:
VHF: 300 W
UHF: 200 W
Connector: N‑female
Materials: Stainless steel, chromed brass, nylon
Wind load / wind resistance: 66 N at 150 km/h / 130 km/h
Wind area: 0.04 m²
Height (approx.): 1600 mm
Weight (approx.): 1140 g
Radial length (approx.): 810 mm
Mounting mast diameter: Ø 25–54 mm