The AT850BK is an Elevated Feed and Fibreglass Whipâ€š with stainless steel spring. Engineered and designed for all round use, flat terrain, town and country, the AT850BK is a rugged and durable antenna to suit your driving needs. Ground independent with 6.6 dBi gain, the antenna excels in high quality communication for your mobile radio. Ground independent with 4.5 metres low loss coax cable, provides excellent performance and perfect flexibility to tune channels, ideal for your vehicle. The heavy duty stainless steel spring makes the AT850BK is a solid choice for heavy usage engineered for the toughest conditions and off road environments.