The GM-9 and GM-18 gooseneck microphones are designed for use with Clear-Com intercom stations. They feature a gold-plated, threaded, locking 3-conductor quarter-inch phone plug connector for secure connection to the intercom station. The sleeve and ring are electrically isolated. The microphones are available in 9” or 18” lengths, mounted on a durable, flexible gooseneck. A fitted windscreen is included. The uni-directional electret condenser mic element has a side and rear rejection of greater than 6 dB between 100 Hz and10 kHz. The GM-9 and GM-18 are the recommended microphones for use with Clear-Com intercom stations.