The MXTA25 3dB gain antenna doubles signal output. The compact design of the "Ghost" antenna ensures a solid connection to your vehicle and reliable, clear communication while you're on the road. At only 3.5"' tall, this low-profile Midland ghost antenna blends in so well to your vehicle you won't even know it's there, all the while withstanding anything the environment can throw at it. Also, theMXTA25 3dB gain antenna requires an antenna mount. *Antenna mount & cable not included.