VHF Heliflex Antenna 162MHz - 15cmHA156 is a 6 inch VHF heliflex antenna, this is specifically tuned to AIS (162MHz) frequencies for optimal performance and it will perform as well as much larger. Its lightweight and also has low windage and the L bracket we supply creates for easy installation onto any vertical surface.Specifications: VHF heliflex antenna Ultra-lightweight helical construction Height: 6 Tuned to AIS (162MHz) frequencies for optimal performance Unobtrusive design for mounting at deck level 66 cable Can be used as an emergency backup VHF aerial BNC connector Whats Included66 cable with a BNC connector for any AIS products, such as our Class B AIS Transponders or AIS receivers table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Truck Freight: No Oversized: No