TX915-JK-11 New Ebyte 2.5dBi high gain 915MHz Ism band SMA-J rf antenna Upgrade your antenna set up with the TX915-JK-11 New Ebyte 2.5dBi high gain 915MHz Ism band SMA-J rf antenna, designed for optimal performance in the 915MHz Ism band. Its high-gain structure delivers superior signal strength, perfect for long-range communication. With its SMA-J connector, it's easy to integrate into your current system.