| The Most Popular Handheld Duck Antenna High gain dual band 144/440 MHz Flexible Duck antenna. 15 3/4 long, its 1/2 wave on 440 MHz that gives a hearty 2.15 dBi gain. On 2 Meters you get an efficient full size 1/4 wave precisely factory tune for low SWR. High-Q, low loss construction. BNC Order |