[Gain]： 5.0dBi

[Interface]： SMA-J

[Standing wave (SWR)]：≤1.5

[Frequency]：210~260MHz

[Resistance]：50Ω

[Weight]：400±1g

[Introduction]：TX230-TB-300 is a 230MHz copper rod sucker antenna. Height of the antenna is 345mm with a SMA-J connector (SMA inner screw thread and inner needle).