Nagoya NA-771 SMA-F 144 / 430 MHz Dual Band Walkie Talkie Antenna for baofeng UV-5R ,GT-3,TK-240, TK-250, TK-255

Feature:
Frequency: 144/430MHz
Gain: 2.15 DBI/3.0 dB
Max Power: 10Watts
Impedance: 50 Ohms
Length: 40 cm
Weight: 45 g
Color: black


from Consumer Electronics Store http://cestore.net/accessories-supplies/portable-audio-video-accessories/two-way-radio-accessories/Nagoya-NA-771-Walkie-Antenna-baofeng.html?pid=B019Q61TW6