The GM-9 (9" length, 22cm) gooseneck intercom microphone features a gold-plated, threaded, and locking 3-conductor quarter-inch phone plug connector. It interfaces with Encore, i-Series and ICS panels like the CC-RM702 and CC-MA-704 (sold separately). A custom fitted windscreen is included (not pictured). The uni-directional electret condenser mic element has a side and rear rejection of greater than 6 dB between 100 Hz and 10 kHz.