When you require a remote antenna, yet are concerned about aesthetics, this antenna is the best choice for you. It's made of flexible, coaxial cable and has a dipole at one end. It is the easiest of our remote antennas to hide and install. It's compatible with the 216 MHz transmitters and attaches to the rear of the unit. Works with rack mounted units. Antenna can be mounted on a wall, placed in a drop ceiling, or anywhere else it is needed. Includes 25 ft of coaxial cable.