ane pake antenna ini om http://www.yaesu.hk/pic/409shop/g-rh770sm.jpg spek nya ini : frequency ..... 144/430Mhz Gain (MAX) .... 3.0dB, 5.5dB Maximum Power .... 20W V.S.W.R . ... Less than 1.5 Impedance ..... 50 OHM Length ... MIN:21.8cm MAX:93cm Connector ..... SMA Weight .... 85g