Dual Band mobile antenna conceived to cover the radio-amateur band of 2m 70cm, without tuning adjustments. It has been made of high quality materials to get the best efficiency. The whip is of black chromed stainless steel and all its metallic components are of brass to guarantee the maximum strength. It is supplied with "SL-S" mount.

Features:
Mobile antenna, Dual-band
Omnidirectional, Unity-gain
17/7 PH stainless steel spring whip
90° inclination and adjustable whip, detachable for car-washes access
Electrical Data
Type: Type: VHF 1/4 λ, UHF 3/4 λ
Frequency range @ SWR ≤2:
SDB 270: VHF 137-154 MHz, UHF 418-458 MHz
Impedance: 50Ω
Radiation (H-plane): 360° omnidirectional
Polarization: linear vertical
Gain: 0 dB ref. to a λ /4 whip
Max Power (CW) @ 30°C: 100 Watts
Standard mount: "SL-S"
Cable Type / Length: 5 m / RG 58
Mechanical Data
Materials: Stainless Steel 17/7 PH, Chromed Brass
Height (approx.):
SDB 270: 535 mm
Weight (approx.):
SDB 270: 360 gr
Mounting Hole: Ø 19 mm