The base mount is recommended for the LM253 7dBi antenna and the LM254 9dBi Antenna. This Antenna Base is suitable for a range of antenna. The 1.5 metre cable and magnetic base provides you with the means to easily position your antenna. Applications: Easy connection from the product with the SMA connector to the antenna; Easy location of the antenna where the antenna needs to be at a distance from the product; To increase the range of a product with SMA connector.