1. Will allow you to get a longer range on handheld radios 2. The antenna has a power of 2.15dBi, and the power is 20 watts 3. Antenna type: SMA-F soft antenna 4. Frequency: 144 / 430Mhz (136-174 + 400-470) MHz 5. Gain: 2.15dB 6. Standing wave ratio (VSWR): less than 1.5 downwards 7. Impedance: 50ohm 8. Connector type: SMA-F (female) 9. Material: ABS and heat shrinkable tubing 10. Length 39 cm, weight 34 grams 11. Suitable for Kenwood TK-360, TK-370, TK-370G, TK-372, TK-372G, TK-3100, TK-3140, TK-3160, TK-3170, TK-3180, TK-3200, TK -3202,TK-3207; suitable for RETEVIS H-777, RT-5R, RT-B6, RT-5RV, 888s Plus, RT5; suitable for HYT TC-268, TC-268S, TC-368, TC-368S, TC-370S, TC-500-TC-500S; suitable for LINTON LT-3288, LT-6288, LT-3188, LT-2188, LT-3260, LT-3268, LT-6188; suitable for PUXING PX-777, PX-777Plus, PX-666, PX-888, PX-888K, etc.