Dual band VHF vehicular antennas working on 6m band and 2m band by means of the attached cutting diagram. SM is made of tapered black fiberglass whip while SMA is made of tapered 17/7 PH stainless steel of very high flexibility. Both models are supplied with a strong stainless steel spring. Available with "S" or "SL" mount on request.

Features:
Up-Grade: frequency extended
Mobile antenna, Dual-band
Omnidirectional
6m band Unity-gain, 2m band Low-gain
SMA 47/135: 17/7 PH tapered stainless steel whip
180° inclination and adjustable whip, detachable for car-washes access
Black chrome version available
Wide range of optional mounting bases available
Magnetic mount version available
Electrical Data
Type:
HF: 1/4 λ central loaded
VHF: 1/4 λ
Type:
1/4 λ for 46.5...61.5 MHz band
5/8 λ for 135...175 MHz band
Frequency range:
SMA 47/135: tunable 46.5...61.5MHz & 135...175 MHz
Impedance: 50Ω
Radiation (H-plane): 360° omnidirectional
Polarization: linear vertical
Gain:
0 dB ref. to a λ /4 whip for 46.5...61.5 MHz band
2 dB ref. to a λ /4 whip for 135...175 MHz band
Bandwidth @ SWR ≤ 1.5:
SMA 47/135: ≥ 2.5 MHz @ 46.5 MHz,≥ 3.4 MHz @ 135 MHz
SWR @ res. freq.: ≤ 1.3 both bands
Max Power (CW) @ 30°C: 100 Watts
Standard Mount: "S"
Cable Length / Type: 5 m / RG 58
Mechanical Data
Materials:
SMA 47/135: Stainless Steel 17/7 PH, Chromed Brass, Nylon
Height (approx.):
SMA 47/135: 1505 mm
Weight (approx.): 550 gr
Mounting Hole: Ø 19 mm
This product was added to our catalog on Friday 25 November, 2011.