[Frequency]：490M

[Interface]：SMA-J

[Resistance]：50Ω

[Gain]：2.0dBi

[Standing wave (SWR)]：≤1.5

[Introduction]：The TX490-JZ-5 antenna has been tested by our company's precision instruments and meets the requirements of our company's wireless modules. It is recommended to purchase this antenna for use with our company's modules. The interface type is: internal thread and internal needle, which is suitable for all our 490MHz wireless serial ports.