The Listen Technologies LA-122 is a single solution for all your remote
antenna needs. The LA-122 contains antennas for both 72 MHz and 216 MHz
systems. Monopole and dipole antenna options included. Mounting hardware
enables you to attach the antenna to walls, on electrical boxes, on a
horizontal surface (flat and inverse), inside a wall or ceiling. Kit contains
components to configure several versions of an antenna and with 25 feet
of coaxial cable.