One of Diamond Antenna's Supergainer Premium mobile antennas.
SG7900

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

Specifications:
Bands: 2m/70cm
Gain dBi: 5.0/7.6
Watts: 150
Height: 62"
Mount: UHF
Element Phasing: 2-1/4l + 1-3/8l / 3-5/8l

Remarks: Not recommended for use with magnet mount.