Wilson 2MRT5/8 880-300200B 2 Meter Antenna Frequency range 144 MHz to 148 MHz 5/8 wave length with 3.4 db gain 47" 17-7 PH spring stainless steel whip 500 Watt power handling capability3 Cover Made with high impact Thermoplastic Heavy duty coil uses 14 gauge copper wire Large 3-1/2" 10oz Magnet for superior holding power Less than 1.5:1 SWR across full meter band magnet mount antenna This product ships in approximately 1 days