One of Diamond Antenna's Supergainer Premium mobile antennas.

Special Features:
Factory pre-tuned, no adjustment
Highest gain
Wideband performance
24Kt gold plated connector pin

Specifications:
Bands: 2m/70cm
Gain dBi: 3.5/6.0
Watts: 150
Height: 41"
Mount: NMO
Element Phasing: 1/2l / 2-5/8l