Nagoya NA-771 144 / 430 MHz SMA-F 2.15dbi High-gain Antenna for Baofeng GT-3 Two-way Radio TransceiverNagoya NA-771 144 / 430 MHz SMA-F 2.15dbi High-gain Antenna for Baofeng GT-3 Two-way Radio Transceiver available on March 25 2016 from Amazon for 12.50