Description
Sirio CX 220 ( 219-226MHz ) J-POLE VHF Base Antenna 4.15 dBi Gain, max power 200 Watts! From Sirio Antenna, This is a 219-226MHz base antenna . It is a J-pole type design and thus does not need radials or a ground. <img src="http://ti2.auctiva.com/web/aswCredit.gif" border="0"><br><a href="http://www.auctiva.com/?how=scLnk0" target="_blank"><img src="http://ti2.auctiva.com/images/sc1line0.gif" border="0"></a> 3/4 λ VHF antennas for base station service made of hi-quality materials to get the maximum efficiency and the best performance. It is completely manufactured with aluminium tubes and nylon for its great robustness and it is supplied with a solid steel bracket for an easy and safe installation everywhere. Its Gamma Match feed makes it earthed for a perfect protection against the discharges. In the mentioned range of frequencies, no adjustments are required. Simple and strong it is particurly recommended for a professional use. Features: Base station antenna, Mono-band Low-gain, Omnidirectional Protection from static discharges DC-Ground Made of aluminium alloy 6063 T-83 Electrical Data Type: 3/4λ coaxial J-pole Frequency range @ SWR ≤1.5: 219-226MHz Impedance: 50Ω Radiation (H-plane): 360° omnidirectional Radiation (E-plane): beamwidth @ -3 dB = 60° Polarization: linear vertical Gain: 2dBd - 4.15 dBi Max. power (CW) @ 30°C: 200 Watts Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short Connector: N-female Mechanical Data Materials: Aluminium, Brass, Steel, Nylon Wind load / resistance: 25 N @ 150 Km/h / 180 Km/h Wind surface: 0.02 m² Height (approx.): CX 156: 1500 mm Weight (approx.): 750 gr Mounting mast: Ø 35-42 mm