NAGOYA NA-771 SF SMA UV antenna Wouxun TK-3207 KGUVD1P Beifeng 5118A Gain: 144 MHZ (2.15) db / 430MHZ (3.0) db Max power: 10 Watts V.S.W.R: &lt; 1.5 It is flexible. Boost the signal of your radio significantly Suit for: TK-3107, TK-3207, TK-3217 ...etc beifeng 5118, 5118A, 5180 ...etc