ASB600 Listening Device User Guide
This is a medium-powered device that can pick up conversations and sounds within a 10 meter radius and transmit them to a dedicated VHF receiver or FM radio to a distance of up to 600 meters with good clarity. It is extremely simple to operate. Connect the battery, tune a AM/FM Radio to somewhere between 88 and 92 MHz (play some music or make noise so when you tune the correct frequency you recognize the audio) and you’re away!
Remove the battery when not in use. Takes 1 x 9 volt.