The Sirio SMA 55-550 S is a versatile 1/4-wave omnidirectional mobile antenna designed for VHF and UHF applications. It offers a tunable frequency range from 55 to 300 MHz, making it suitable for various systems, including 2m-HAM, 1.25m-HAM, 70cm-HAM, VHF Airband, VHF Marine Band, and more. The antenna features a linear vertical polarization, ensuring consistent signal reception and transmission. Constructed from durable materials such as chromed brass, stainless steel, and nylon, it stands approximately 1360 mm tall and weighs around 420 grams.

Features/ Technical Specifications:

• Type: 1/4 λ
• Radiation: Omnidirectional
• Linear Vertical
• Frequency Range: SMA 55-550 SL: 55-300 MHz Tunable
• Systems: 2m-HAM, 1.25m-HAM, 70cm-HAM, VHF Airband, VHF Marine Band, VHF Low-band (66-88MHz), ORBCOMM M2M, AIS-162MHz, TETRA-350, TETRA, CDMA-450, LTE-450, FM, ISM-169MHz, VHF-260MHz
• Gain: 0 dB ref. to a λ/4 whip
• Max Power: 100W (CW)
• SMA 55-550 S: 5 m (16.4 ft) / RG58
• Connector: SMA 55-550 S: Not supplied

Mechanical Data:

• Height (approx): SMA 55-550 S: 1360 mm / 4.46 ft
• Weight (approx): SMA 55-550 S: 400 gr / 0.88 lb
• Mounting type: SMA 55-550 S: Thru-Hole