Pacific 6121. Specifications: Frequency- VHF 156-162 MHz; Radome- Ultraglass; Ferrule- Stainless Steel; Antenna Type- Half wave; Gain- 3 dB; “Marine Gain”- 6 dB; Typical VSWR at 156.8 MHz- 1.2:1; DC Meter Reading- Open Circuit; Height- 1,8 m. Suitable mount on the M14600794 (Pacific 6159) or M14600795 (Pacific 6166), these mounts have 5 m of cable and FastFit plugs.