If a 3.0 dBi gain isn't enough for you, the Uniden UHF Flexible Whip with Black Heat Shrink and "Z" type mounting bracket might be what you're looking for. Ground independent, this rugged & flexible whip was engineered using only quality parts to work in all-round use and on flat terrain and off-road environments. It is a durable antenna that will undoubtedly provide you with an excellent performance for your vehicle. It works with everything from Sedans, 4WDs, Domestic and/or Trucking needs. The stainless steel is of high quality, as to be expected by Uniden.
SPECIFICATIONS -Elevated Whip with Black Heat Shrink -6.0 dBi Gain -Includes "Z" type mounting bracket (MGU-01) -Ground independent -4.5 Metres Low Loss Coax Cable -Terminated FME Female Connector & PL259 Adaptor -Length: 844mm