Sirio Car and Truck VHF Mobile Antenna

• Type: 1/4λ
• Frequency range: tunable 108-550 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 0 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: 5.2 MHz @ 108MHz
• SWR @ res. freq.: 1.8 @ 108MHz
• Max. Power (CW) @ 30°C: 100 Watts
• This article refers to antenna rod only. The antenna base is not part of this article.

• Type: 1/4λ
• Frequency range: tunable 108-550 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 0 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: ≥ 11 MHz @ 108 MHz
• SWR @ res. freq.: ≤ 1.4@ 108 MHz
• Max. Power (CW) @ 30°C: 100 Watts
• Connector: UHF-male (PL 259)
• This article refers to antenna rod only. The antenna base is not part of this article.

• Type: 1/4λ
• Frequency range: tunable 108-550 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 0 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: see diagram
• SWR @ res. freq.: see diagram
• Max. Power (CW) @ 30°C: 100 Watts
• This article refers to antenna rod only. The antenna base is not part of this article.

• Type: 1/4λ
• Frequency range: tunable 108-550 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 0 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: ≥ 11.5 MHz @ 108 MHz
• SWR @ res. freq.: ≤ 1.5 @ 108 MHz
• Max. Power (CW) @ 30°C: 100 Watts
• Connector: UHF-male (PL 259)
• This article refers to antenna rod only. The antenna base is not part of this article.

• Type: 1/4λ
• Frequency range: tunable 55-550 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 0 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: 6.4 @ 55 MHz
• SWR @ res. freq.: ≤1.3 @ 55 MHz
• Max. Power (CW) @ 30°C: 100 Watts
• Cable: 5m RG-58

• Type: 5/8λ
• Frequency range: tunable 136-174 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 4.15 dBi (1.5 dB ref. to a λ /4 whip)
• Bandwidth @ SWR ≤2: ≥ 6.7 MHz @ 136 MHz
• SWR @ res. freq.: ≤ 1.2
• Max. Power (CW) @ 30°C: 250 Watts
• Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
• Connector: UHF-male (PL 259)

• Type: 5/8λ
• Frequency range: tunable 139.3-175 MHz
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 1.5 dB ref. to a λ /4 whip
• Bandwidth @ SWR ≤2: ≥ 6.6 MHz @ 139.3 MHz
• SWR @ res. freq.: ≤ 1.2 @ 139.3 MHz
• Max. Power (CW) @ 30°C: 150 Watts
• Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
• Connector: UHF-male (PL 259)

• Type: C-loaded
• Frequency range: 137-157 MHZ @ SWR ≤2
• Impedance: 50Ω
• Radiation (H-plane): 360° omnidirectional
• Polarization: linear vertical
• Gain: 2 dB ref. to a λ /4 whip
• Max. Power (CW) @ 30°C: 150 Watts
• Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short
• Connector: UHF-male (PL 259)

• Type: 2x5/8 λ radialless
• Frequency: 143-147 MHz
• Gain: 6.5 dB
• Power: 300 Watts
• Impedance: 50 Ohms
• VSWR : 1.5:1 (nominal)
• Length: 2.43m
• Weight: 530 g
• Connector: UHF-male
• 90° Tilting system