Nagoya NA-773 SMA Female UHF VHF Dual Band 144/430MHz Antenna For Baofeng Radio Nagoya NA-773 SMA-Female Dual Band Extendable Handheld Antenna Folding height is 110mm, can extend up to 395mm Frequency: 144 / 430 MHz Widely used on handheld Radios with SMA male interface Max power: 10Watts