The 2.4/4.9/5.8 GHz 3 dBi Multi-band Rubber Duck Antenna by L-Com is a versatile omnidirectional antenna with a SMA male connector. With a gain of 2.4 dBi, this antenna is designed to provide reliable wireless signal coverage in multiple frequency bands. Its compact and flexible design make it easy to install in various networking setups, ensuring a strong and stable connection for your devices. Perfect for enterprise networking and server applications, this antenna offers consistent performance in a wide range of industrial settings.